Introduction
Political scientists too often view justices as secluded political actors who are free to pursue their interests without a care for the preferences of others. Instead, we argue that the Court will seek supplemental information when deciding what cases to take or how to vote because it actively cares about its separation of powers (SOP) relationship. In particular, we posit its information-seeking behavior, in the form of calls for the view of the solicitor general (CVSGs), indicates that the Court wants to supplement its knowledge regarding executive preferences.
This study explores when the Supreme Court chooses to invite the solicitor general (SG) to submit a brief on the merits. Throughout, we propose that the Court is engaging in information-seeking behavior when it may desire more information about executive branch preferences. We argue that the State of the Union (SOTU) address is a useful way to proxy the president’s public agenda. When an executive devotes a greater amount of space to an issue area in the SOTU, the Supreme Court, other political actors, and the public are made more aware of the president’s related preferences. When an issue area receives less attention from the president but is the subject of a Supreme Court case, the Court, as an information-seeking institution (Johnson Reference Johnson2003), should be more likely to invite a brief from the SG. This request occurs because the Court is cognizant of its SOP relationship and because it desires to understand the executive’s preferences before delivering a decision.
Our study offers a few important contributions. First, we provide additional quantitative research on an important and understudied Court practice, the CVSG. Second, we quantify the amount of public information surrounding the president’s agenda. This quantification offers an expansion on explaining the role of the presidential agenda and SOP in the judicial information-seeking context (Johnson Reference Johnson2003; Black and Owens Reference Black and Owens2012). Third, we provide a theory, which our findings support, that explains how information regarding the president’s agenda may influence Court behavior.
Review of the Literature
The Supreme Court in a Political Context
The Supreme Court is charged with interpreting the country’s laws. As such, justices have the potential to influence or create policy (Horowitz Reference Horowitz1977; Melnick Reference Melnick1994; Hall Reference Hall2011). When making these important policy decisions, justices pursue their ideological interests (Canon and Giles Reference Canon and Giles1972; Crowley Reference Crowley1987; Segal and Spaeth Reference Segal and Spaeth2002; Sala and Spriggs Reference Sala and Spriggs2004), and constitutional designs, such as life tenure, allow justices wide latitude in pursuing their ideological preferences. While the ability to pursue their ideological interests is impressive, the reality is that the pursuits of these preferences are not unlimited.
The Supreme Court is a collegial body, and justices consider each other’s preferences when making decisions (Maltzman and Wahlbeck Reference Maltzman and Wahlbeck1996; Epstein and Knight Reference Epstein and Knight1998; Richards and Kritzer Reference Richards and Kritzer2002). From the perspective of an individual justice, considering others’ preferences is necessary to attempt to avoid scenarios that may lead to outcomes worse than the status quo.
While the justices consider each other when making decisions, the Court must also consider the other branches (Epstein, Knight, and Martin Reference Epstein, Knight and Martin2001; Bonneau et al. Reference Bonneau, Hammond, Maltzman and Wahlbeck2007). The Court does not have the power to implement its decisions and thus depends on the executive to enforce its legal interpretation. A president that finds a policy egregious can go so far as to fail to enforce the decision (Whittington Reference Whittington2001; Johnson Reference Johnson2003). Beyond the simple failure of implementation, there are other institutional and political means through which to sanction the Court. The president can encourage Congress to engage in court curbing or write new legislation to override a court decision (Baum Reference Baum1995; Calabresi Reference Calabresi1998; Whittington Reference Whittington2001; Howell Reference Howell2003; Johnson Reference Johnson2003; Clark Reference Clark2009). Additionally, the president can take advantage of the executive’s agenda-setting ability and representative claims by publicly criticizing the Court (Curry, Pacelle, and Marshall Reference Curry, Pacelle and Marshall2008). Presidential challenges to the Court could diminish other actors’ views of the Court’s outputs (Montgomery, Rogol, and Kingsland Reference Montgomery, Rogol and Kingsland2019).
Overall, the Court cares about its public and political standing. Without the public and institutional legitimacy, the Court may find it more difficult to realize the implementation of its policies. Maintaining public legitimacy increases the odds that the public accepts the Court’s decisions (Tyler Reference Tyler1984; Tyler and Rasinski Reference Tyler and Rasinski1991; Gibson and Caldeira Reference Gibson and Caldeira1995). Indeed, previous research indicates that the Court is subject to a degree of influence from societal preferences (Hausegger and Baum Reference Hausegger1999; McGuire and Stimson Reference McGuire and Stimson2004; Collins Reference Collins2007; McAtee and McGuire Reference McAtee and McGuire2007; Clark Reference Clark2009; Casillas, Enns, and Wohlfarth Reference Casillas, Enns and Wohlfarth2011).
Thus, previous research suggests there is reason to believe that the Court is aware, and feels a need to be aware of, other political actors’ interests. Potential presidential sanctions, such as public criticisms and nonimplementation, do not need to be frequent for them to be an important consideration for the Court.Footnote 1 Even minor sanctions can highlight the Court’s vulnerability, thereby lowering its prestige in the political arena (Montgomery et al. Reference Montgomery, Rogol and Kingsland2019). Therefore, we argue the Court wants to make informed decisions so as to best protect its legitimacy. Assuming a strategic use of resources, we argue that the Court is more likely to seek information from the executive branch when it is relatively less aware of the executive’s preferences. Having this information can help the Court make decisions by increasing its understanding of the political climate and the prerogatives of the other branches.
The Court and Calls for the View of the Solicitor General
This project focuses on an institutional means of gathering information from the executive branch: the CVSG. By this action, the Court requests a brief from the SG on certiorari or the merits. CVSGs are viewed as nearly mandatory; therefore, the executive has little choice but to submit the brief (Johnson Reference Johnson2003). Demonstrating that the Court views the SG’s information as important or useful, in its opinions the Court will even occasionally adopt verbatim the legal arguments found in SG briefs (Pacelle Reference Pacelle2003; Corley Reference Corley2008).
The field has an understanding of the “descriptives” of CVSGs (how often do they occur, in what types of cases, etc.). However, research modeling the decision-making calculus of the Court to CVSG is sparse. Black and Owens write, “only one study that we know of empirically analyzes the conditions under which the Court invites the solicitor general (CVSGs)” (2011, 776; their 2012 study expands research on CVSG on cert).
Overall, these requested briefs seem to offer the Court perspectives on executive perceptions of policy and legal impact and provide an indicator of potential levels of executive support (Johnson Reference Johnson2003; Pacelle Reference Pacelle2003; Black and Owens Reference Black and Owens2012). While examining cert cases, Black and Owens (Reference Black and Owens2011, Reference Black and Owens2012) explore the impact of legal complexity and conflict on the decision to request a brief. The two make the argument that justices are more likely to vote for CVSG on cert to determine whether they need to solve legal conflict or what the policy impact of their decision might be. In fact, they go so far as to say that CVSGs are not reflective of SOP considerations (i.e., presidential capital) but are instead used to clear up confusion (Black and Owens Reference Black and Owens2012, 813). Their finding is important because it suggests that justices seek information, not to understand their role in intergovernmental relationships, but to provide information about the usefulness of their being further involved in the case.
Earlier work comes to disparate findings. Johnson’s (Reference Johnson2003) take on the determinants of CVSG at the merits stage suggests that SOP considerations are real motivators for the Court. Johnson’s research highlights the potential consequences of presidential sanctions and finds support for the argument that the Court wants to understand presidential preferences when the president is enjoying periods of greater strength. Presidential capital is measured by such variables as the number of seats the president’s party enjoys in the House and the president’s margin of victory. Collectively, the literature discussed indicates that there are motivations for the Court to consider the preferences of the executive branch. However, what remains to be explored is how, or if, the Court responds to the president’s public agenda when deciding to CVSG. Next, we develop a theory for the Court’s decision to CVSG.
Theory
Research discussed in the sections above highlights two important reasons for why we theorize the Court should CVSG to gain more information about executive preferences. First, justices pursue preferences, but they do so in a strategic manner. A means to establish policy attainments is to ensure the implementer of policy, the president, will enforce the Court’s decision. Understanding where the president stands allows the Court to make more calculated decisions about where in the policy space its ruling can successfully land. In publicly charged policy areas, the Court may be seeking a signal of executive support (such as in the Brown cases).Footnote 2 Alternatively, the brief could cue the Court to outcomes that may bring potential sanctions. Because the Court wishes to see its policy implemented, and because the Court depends on institutional legitimacy, it wants to know of the possibility of threats to these goals.Footnote 3
Second, and more simply, the justices care about making good policy. Indeed, Hausegger and Baum (Reference Hausegger1999, 182) demonstrate that the Court will ask Congress to review the legal sphere surrounding decisions in order to create good policy “as they see it.” Since the executive branch is responsible for implementation of policy, the Court may want to know about possible problems of implementation. The actors in the executive branch have the (greater) requisite expertise on implementation. Because we argue that the SOTU proxies the executive agenda, and this agenda often includes policy plans, an area receiving less attention may indicate one with less public information about the impacts of changing policy. Thus, in these areas, the Court may wish to CVSG to supplement its information.
We theorize that because the SG does present the president’s position in briefs, the Court can ascertain the executive’s preferences through them. The assertion that SG briefs are reflective of executive interests is supported in extant literature (Salokar Reference Salokar1992; Meinhold and Shull Reference Meinhold and Shull1998; Johnson Reference Johnson2003; Black and Owens Reference Black and Owens2012; Epstein and Walker Reference Epstein and Walker2016). When looking at other appointed officials and bureaucratic agencies, scholars recognize that presidents can influence their agents’ behavior through such means as appointing those with similar ideologies or by disciplining divergence (West and Cooper Reference West and Cooper1990; Wood and Waterman Reference Wood and Waterman1991; Hammond and Knott Reference Hammond and Knott1996; Moore, Maclin, and Kershner Reference Moore, Maclin and Kershner2001; Shipan Reference Shipan2004; Waterman Reference Waterman2009). Likewise, presidents appoint SGs who share their preferences, and presidents can punish SGs who fail to represent the president (Segal Reference Segal1988; Segal and Reedy Reference Segal and Reedy1988; Salokar Reference Salokar1992; Bailey and Chang Reference Bailey and Chang2001). President Reagan is said to have essentially fired Solicitor General Lee, and Nixon forced out Solicitor General Griswold (see Salokar Reference Salokar1992; Bailey and Chang Reference Bailey and Chang2001). By and large, scholars argue that the SG accurately represents the president (Segal Reference Segal1988; Fischer Reference Fischer1990; Clayton Reference Clayton1992; Salokar Reference Salokar1992; Meinhold and Shull Reference Meinhold and Shull1998; Graham Reference Graham2002; Curry, Pacelle, and Marshall Reference Curry, Pacelle and Marshall2008; Black and Owens Reference Black and Owens2012). Black and Owens (Reference Black and Owens2012, 808) note that half of the SG briefs from the 2007 Court term explicitly highlighted executive branch preferences. As such, and in line with others studying CVSGs (Johnson Reference Johnson2003; Black and Owens Reference Black and Owens2012), we argue that the SG represents the president in CVSGs and the Court can determine executive preferences through them.Footnote 4
The iconic briefs (the result of a CVSG) in the Brown cases demonstrate just how closely a CVSG might reflect the executive’s preference.Footnote 5 President Eisenhower had a direct hand in editing the briefs in the Brown II case.Footnote 6 As further evidence of the president’s effort in Brown, Attorney General Brownell called Eisenhower to say the Supreme Court followed the president’s formula almost exactly.Footnote 7
We recognize the need for the SG to be cognizant of Court needs and interests while also strategically representing the preferences of the president. While we do not match the content of CVSGs to presidential agenda items, we do examine areas of more and less publicly declared agendas. If the Court CVSGs more often when the president speaks less about a policy area, we believe we capture a desire of the Court to understand more about the president’s interests in the area.
Of direct interest to our study, Johnson (Reference Johnson2003), who argued SOP considerations motivated CVSGs, accounted for presidential agendas using Light’s (Reference Light1999) measure. Johnson (Reference Johnson2003) hypothesized that the Court should be more likely to CVSG in cases on the president’s agenda but found no significant relationship. Light developed an important and popular measure of presidential agenda items. To be included as an agenda item, each item had to be mentioned in the SOTU and be classified as “in accordance” with the president’s program by the Office of Management and Budget (Light Reference Light1999, 9) or, after 1980, be mentioned in the Congressional Quarterly Almanac data (Light Reference Light2004; Eshbaugh-Soha Reference Eshbaugh-Soha2005). Using these or similar methods (see Eshbaugh-Soha [Reference Eshbaugh-Soha2005], who uses Public Papers of the Presidents), researchers offer a list of agenda items per president. Our research uses a different measure of presidential salience that diverges in part from Light’s measure of agenda items.
We prefer to use the content of the SOTU for our analysis to develop our measure of the general presidential agenda. The strength of Light’s measure is that it filters through all the information presented in the SOTU to identify the most important of presidential initiatives, such as a balanced budget amendment or the Clean Air Act (Eshbaugh-Soha Reference Eshbaugh-Soha2005). We do note, however, that Light’s measure and the modern derivatives of it start with the SOTU. For our study, our goal is not to isolate the most prominent presidential initiatives. Instead, we care about how much information the Court likely has about the presidential preferences in the vast policy sphere in which it acts. By using an issue area’s proportional coverage in the SOTU we get a relative measure of information surrounding the topic. Furthermore, this dynamic measure provides variety over the years, not simply presidential terms.
We use the SOTU to proxy the general agenda of the president. The SOTU publicly highlights the general issue and ideological preferences of the president (Light Reference Light1982; Tedin, Rottinghaus, and Rodgers Reference Tedin, Rottinghaus and Rodgers2011). Conventionally and practically, presidents are limited in how much time they can spend speaking during the SOTU. Thus, time on any given issue area diminishes time spent on other issue areas. Because there are disparate amounts of time devoted to different topic areas, there are different amounts of public information available concerning the president’s preferences on areas.Footnote 8
Often, many justices attend the SOTU. We argue that the SOTU serves to let political actors, including the courts, know about presidential priorities. We do not argue, however, that a justice must be in attendance to the SOTU to be informed about general executive preferences.Footnote 9 But, as important, intelligent, and strategic political actors, justices are aware of the public preferences of other actors.Footnote 10 Furthermore, some studies indicate that the Court is aware of and sensitive to agenda items present in SOTUs (Wahlbeck Reference Wahlbeck1997; Rogol, Montgomery, and Kingsland Reference Rogol, Montgomery and Kingsland2018). If the president omits or speaks less about an issue area, the public and other political actors are relatively less certain of executive preferences on the issue. If the Court wants to be most informed on the preferences of the president, it should CVSG in cases whose issue area has received less attention. Therefore, we hypothesize that as an issue area’s proportional coverage in the SOTU increases, the likelihood of the Court issuing a CVSG should decrease.
Our theory also explains the lack of CVSGs on issues that are likely of greater importance to the president or that at least have more information surrounding them. Rather than suggesting that the Court should be more likely to request a brief when a topic is an agenda item for the president, we suggest that the Court should be more likely to request a brief when the president has spoken relatively less about a topic area. The Court is motivated to understand where the president sits in these cases; it already knows presidential preferences in the others.
The fact that CVSGs are uncommon, yet occur across terms, and that the SG views CVSGs as a mandate to submit suggests that this is an important strategic tool for the Court. We believe the CVSG is used carefully because the request is not without costs for the executive branch. The SG (or Department of Justice) must devote effort and human capital to writing this brief (Thompson and Wachtell Reference Thompson and Wachtell2009). Consequently, this tool is likely one that requires strategic use by the Court. Just as the SG cannot submit a brief on all cases of interest (Lee Reference Lee1985), neither can the Court request a brief. Thus, our theory demonstrates when cases will be prime for a CVSG, based on the need for information concerning the executive’s interests.
Our work advances the earlier work of Johnson and Black and Owens in a few ways. Black and Owens reject the SOP argument in favor of the Court, using CVSGs to determine their usefulness in a case. Black and Owens’s (Reference Black and Owens2012) measure of “Separation-of-Powers Concern” is an important one, but we feel it is too narrow to justify writing off all Court SOP considerations. Black and Owens (Reference Black and Owens2012, 809) hypothesize that “a justice will be more likely to CVSG as the outcome that she prefers is increasingly likely to trigger a congressional override attempt that requires a presidential veto to survive.” Additionally, we are not predicting individual justice’s votes but rather the institutional calculation of the Court. Thus, our study accounts for the institutional decision of the Court to request information reflective of varying amounts of public information regarding executive preferences. Our study controls for similar considerations that Johnson (Reference Johnson2003) finds important. But, our SOTU measure of presidential agenda is more reflective of relative degrees of information about presidential preferences and broadly captures the publicly expressed agenda of which most political actors should be aware.
We do not view the perspectives, SOP (as studied by Johnson) and policy or legal motivations (the view supported in Black and Owens [Reference Black and Owens2012]), as mutually exclusive; when considering implementation concerns, one should consider the other branches and vice versa. In this case, perhaps some of the policy impact questions are reduced when there is more political (i.e., SOTU) conversation about a policy topic. Thus, the need for the Court to CVSG for implementation concerns could also be reduced. This study is certainly not the final say in the exploration of the executive-judicial relationship and the Court’s concern for other branches. However, the results of our analysis lend support to the SOP argument in the sense that we see the seeking of information about the president’s preference when it is lacking. The most intuitive explanation for this behavior would be one that suggests the Court, at times, cares about the preferences of the other branches.
Data and Method
We argue that the Court desires information about the executive’s preferences, and if it is lacking information, it should be more likely to induce the SG to submit a brief. Using the Spaeth et al. Supreme Court Database, we examine Supreme Court cases accepted for cert and decided during the 1956–2009 terms. We exclude cases when the government was a party to it. We also exclude cases in which the SG chose to submit a brief without an invitation, and therefore the Court would not have the opportunity to CVSG (see also Johnson Reference Johnson2003).Footnote 11
The dependent variable is a dichotomous measure of whether or not the Court issued a CVSG on the merits. These data were gathered by Solowiej and Collins (Reference Solowiej and Collins2009), updated through 2005 by Corley, Steigerwalt, and Ward (Reference Corley2013), and updated for this project through 2009. The variable is coded as 1 if the case had a CVSG and 0 otherwise. Because the dependent variable is dichotomous, we use a logit. We cluster on the year argued to account for nonindependence across groups.
Independent Variables
To measure the president’s publicly stated agenda, we use SOTU addresses. The Comparative Agendas Project, by Frank Baumgartner and Bryan Jones, offers the State of the Union Addresses Dataset, which codes statements made during the SOTU according to policy area.Footnote 12 The Comparative Agendas Project’s Supreme Court Dataset recodes the Spaeth et al. Supreme Court Database to align with the Baumgartner and Jones topic areas.Footnote 13 Thus, we have a bridge between data sets on issue area. Baumgartner and Jones identify 20 major policy areas, including macroeconomics; civil rights, minority issues, and civil liberties (one category); defense; and social welfare.Footnote 14
Our primary independent variable of interest is the proportion of the SOTU the president devotes to a specific topic area per year. For every issue area, we count the number of statements made about that topic area and divide by the total number of statements in that SOTU. Therefore, every topic area for every year has a value that indicates the proportion it made up of that year’s SOTU. And, every case has the associated proportion for its issue area’s prominence for that year. Each SOTU is delivered in the beginning of the year. Court terms run from October to June/July. As such, we match the Proportion of SOTU variable to the year the case was argued at the Supreme Court. For example, if a case was argued in November 1957, it gets its Proportion of SOTU measure from the 1957 SOTU address.
The type of individual statements coded varies between broad or sweeping statements and statements promoting a specific policy. Take, for example, the issue area of civil rights and liberties. Sometimes presidents offer broad statements promoting equality and decrying discrimination. In the 1999 SOTU, President Clinton said, “Discrimination or violence because of race or religion, ancestry or gender, disability or sexual orientation, is wrong, and it ought to be illegal” (see Baumgartner and Jones’s State of the Union Addresses Dataset). Alternatively, statements may be more specific and allow ideological leanings to be on display. In his 1988 SOTU, President Reagan said, “The Congress opens its proceedings each day, as does the Supreme Court, with an acknowledgment of the Supreme Being—yet we are denied the right to set aside in our schools a moment each day for those who wish to pray” (see Baumgartner and Jones’s State of the Union Addresses Dataset). While we do not denote the difference in these types of statements in this study, we are confident that the proportion of statements devoted to a topic area are indicative of the president’s public agenda. Likewise, more time devoted to a topic area indicates there is more available information regarding presidential preferences in that area.
We control for a variety of other traits that extant literature demonstrates may influence the Court’s decision to CVSG. First, we control for the saliency of the case. Salient cases are often viewed as politically important. It is likely that the executive branch has preferences on these cases. A Court that wishes to remain cognizant of the other branch’s preferences, for fears of sanctions, may be more motivated to request a brief in salient cases. We use Epstein and Segal’s (Reference Epstein and Segal2000) measure of case salience.Footnote 15 This variable captures whether the case was discussed in a New York Times front-page article the day after the decision was handed down. Cases covered are coded 1 and all others 0.
We control for Ideological Distance between the president and the Court. We suggest the Court should be more likely to CVSG when it is further from the executive. If a Court is further from the president, indicating likely different preferences, yet still seeks to understand the president’s positions (again, to avoid or understand the risk of sanction), it should be more likely to CVSG. We use the Common Space Scores to place the Court and president on one ideological scale. Then, we calculate the absolute value of distance between the president and the median justice on the Court (raw data available from Epstein et al. [Reference Epstein, Martin, Segal and Westerland2007] and Lewis et al. [Reference Lewis, Rosenthal, Boche, Rudkin and Sonnet2017]).
We also control for whether the case contained a constitutional question. We hypothesize that the Court should be less likely to CVSG in constitutional cases. A previous study notes that the Court is less likely to CVSG “on a constitutional question, as the Court possesses more than sufficient expertise to answer constitutional questions” (Thompson and Wachtell Reference Thompson and Wachtell2009, 281). We also suspect that the Court wants to protect its power of constitutional review.
Like Johnson (Reference Johnson2003), we control for various SOP considerations that may influence the Court’s decision to CVSG. In periods of greater presidential capital, the Court may be more deferential to the president or more likely to CVSG. We include four variables that Johnson (Reference Johnson2003) argues are important: Election Year, Presidential Margin of Victory, Divided Government, and Presidential Approval. Election years are coded as 1 and all others 0. (Like Johnson [Reference Johnson2003], we use the year argued to determine election year.) The Presidential Margin of Victory variable is the difference between the president and the other major party’s candidate. Divided government is coded as 1 when the president’s party does not fully control Congress and 0 otherwise. Finally, presidential approval is measured by the American Presidency Project’s average approval rating for a given year.Footnote 16
We examined a total of 3,649 US Supreme Court cases between 1956 and 2009. The primary question in this exploration is when and why the Court decides to request an amicus brief in such cases. Overall, the rate of CVSG is low; the court requested a brief 7.34% of the time.Footnote 17 We propose that the Court is motivated to CVSG when it desires to gather information about the president’s preferences when it is not clear where the president stands—that is, in this context, to acquire more information in the issue areas that the president covered comparatively less in the SOTU.
There is variation in our independent variable Proportion of SOTU. The minimum proportion for a topic area is 0. In fact, 18 of the 20 topic areas (defense and macroeconomics being the exceptions) experienced at least one year when they were not covered in the SOTU. Proportion of SOTU’s maximum value is .447. In 1971, President Nixon spent 45% of his SOTU covering the topic area of government operations. He discussed a proposed reorganization of the cabinet departments and revenue sharing between the federal and state governments. Additionally, there is variation among the topic areas themselves. For example, the minimum proportion for civil rights and liberties is 0, and the maximum is 11. There is also variation among presidents on the topic areas. In 1964, President Johnson spent 11% of his speech covering civil rights and liberties. However, in 1967, he spent a dramatically smaller 0.4% on civil rights and liberties. Additional summary statistics by topic area for Proportion of SOTU can be found in table A2.Footnote 18
Results
To start our analysis, figure 1 plots the percentage of cases that receive a CVSG by rates of issue area coverage in the SOTU. We separated the Proportion of SOTU into its quartiles and then found the percentage of cases having a CVSG for each quartile. Cases with year-issue proportions whose rates are in the bottom quartile receive a CVSG 9.65% of the time, higher than the average CVSG rate. This frequency drops to 6.30% for the highest quartile, lower than the average CVSG rate.
Rate of CVSG based on quartiles of Proportion of SOTU

These descriptives are indicative of a trend our theory suggests: the more a president has made a topic area an agenda item, and thus the more public information is available, the lower the need for the Court to CVSG. This result, while indicative of strategic Court decision-making based on its knowledge of the president’s agenda, is not determinative. To analyze the relationship between the public presidential agenda and the Court’s CVSG behavior, we estimate a logit model. Table 1 displays the results. Overall, the results reveal that the Court, when choosing to CVSG, seeks information concerning executive interests.

Note.—N = 3,649. Dependent variable is whether the Court issued a call for the view of the solicitor general (CVSG). Logit coefficient estimates, with robust standard errors clustered on year argued.
+ p < .1, one-tailed test.
* p < .1.
** p < .05.
*** p < .01.
Our primary independent variable, Proportion of SOTU, is negatively signed and statistically significant at the .1 level (one-tailed test).Footnote 19 This finding is suggestive of the Court’s interest in gaining information about executive preferences. As an issue area receives more coverage in the SOTU, the likelihood of requesting a brief decreases. The Court is more likely to CVSG when a case’s topic area makes up a smaller proportion of the SOTU.
Ideological Distance is positively signed and statistically significant. We hypothesized that a more distant court should be more likely to CVSG due to SOP concerns. This finding is interesting because it indicates the Court is more likely to CVSG, the further it is from the executive. We assume that an ideologically opposed president would be more willing to take sanctioning action against an ideologically opposed Court (it may be less attractive to sanction those who are supposed to be aligned with you). A distant Court is aware of the greater likelihood of sanction or failure in implementation and is motivated to gain more information to aid in the decision-making process. A distant Court may also be more curious about how an opposed executive would approach policy topics; it knows how a similar ideologue would view the topic, but what about someone different?Footnote 20
Constitutional Question is negatively signed and statistically significant (
). Thus, the Court is less likely to CVSG when the case contains a constitutional question. The Court may be more willing to pursue its own interests, as constitutional interpretation is its prerogative. This finding is in line with what we hypothesized. We assume that in cases with constitutional questions, the Court would be more interested in protecting its historical prerogatives of power in constitutional interpretation.
The control variable, Salient, is significant and positively signed, as we hypothesized, in a one-tailed test. Often, salient cases are viewed as being more important or having a greater impact; thus, it seems natural that judges and justices would be more inclined to secure their preferences in these cases (Lewis and Rose Reference Lewis and Rose2014). Following this logic, perhaps the Court is interested in the likelihood of sanctioning from the executive in a salient case and thus CVSGs to understand the president’s preferences. Whether the Court follows executive preferences is a different matter. However, a strategic institution should know what it is up against. Our other controls, proxying presidential capital, do not reach conventional levels of statistical significance.Footnote 21
To more fully explore the impact of the public presidential agenda presented in the SOTU, we generate adjusted predictions for our variable of interest, Proportion of SOTU. Adjusted predictions specify values for each of the independent variables and compute the probability of the event occurring for those instances. Therefore, we calculate the probability of the Court issuing a CVSG at various values of the independent variables. To observe the impact of Proportion of SOTU, we calculate adjusted predictions with Proportion of SOTU from its minimum (0) to its maximum (.447) values. All other variables were held at their means or modes, as appropriate. Figure 2 displays the results. The X-axis displays various proportions of the SOTU, with 0 being the minimum observed value, .034 the mean, and .447 the maximum.
Adjusted predictions for Proportion of SOTU (90% two-tailed confidence intervals shown as shaded area).

When the president devotes 0% of the SOTU to an issue area, there is an 11.34% probability of the Court issuing a CVSG. At an issue area’s average proportion, .034, the probability of a CVSG decreases to 10.6%. At an issue area’s maximum coverage (.447), the probability is 4.3%. Moving from Proportion of SOTU’s minimum to maximum value leads to a 62.08% decrease in the likelihood of CVSG, a substantial decrease. The other probabilities are displayed in figure 2. The trend is a downward slope; as the president devotes more SOTU attention to an issue area, the likelihood of a case in that issue area decreases. The substantive impact of Proportion of SOTU may be small, yet it is meaningful. When the president talks an average amount of time, instead of more, about a topic area, there is a 44.41% increase in likelihood of CVSG over the average CVSG rate. While still rare to receive a CVSG, it is much more common, the less the Court knows about an executive’s preferences on a topic area.
Additionally, the adjusted predictions are calculated holding all categories to reflect what the “average” case looks like (means and modes of the variables as appropriate). Under certain circumstances, the impact of the variable Proportion of SOTU is more marked. We know that the ideological distance between the Court and the president affects the likelihood of CVSG. When Ideological Distance is held at its maximum value and the president does not discuss a topic area during the SOTU, the adjusted prediction for CVSG is .179 (17.9%). When Proportion of SOTU is at its average, there is a 16.8% chance of CVSG, and when at its maximum there is a 7.1% likelihood.Footnote 22 These results, for areas of relatively less attention, are well over the average CVSG rate. A distant Court considers its SOP standing.
We do not think the results indicate that presidential preferences are the sole driver of Court decision-making (nor would we ever make that claim). We are, however, confident in the claim that the desire for knowledge about executive preferences is a motivating factor for the Court’s decision to CVSG. When there is less public discussion of a president’s policy interest, the Court is more likely than average to CVSG. This is even more prevalent when the Court has more need to consider the executive, that is, when the Court is further from the executive and may be more liable to receive sanctions.
Discussion
Information is important for political actors to make wise decisions. However, actors do not always have perfect information (Johnson Reference Johnson2003; Black and Owens Reference Black and Owens2012). Because the Court makes important decisions, is concerned with its institutional legitimacy, and relies on the executive branch for implementation, it will seek information in order to make more informed decisions. This study examined how the Court can use calls for the view of the solicitor general as a tool to gain more information. Our findings comport with our theory that the Court requests the SG to submit a brief in order to obtain information regarding the executive’s preferences.
This article offers many important contributions to the study of the executive-judicial relationship. First, these results suggest that the Court is cognizant of its role in the SOP relationship and desires to know what the executive branch’s views are on policy areas. Rather than ignore SOP concerns, the Court actively seeks to understand the other branches’ interests. The Court desires information about the interests of others and, when lacking that information, uses tools to remedy the absence. Thus, in issue areas for which there is less public information about the presidential agenda (an issue area that received less focus in the SOTU), the Court is more likely to CVSG. As the Court is vital in our nation’s constitutional interpretation, our study speaks to how our understanding of the Constitution is constructed. The Court wants to know what the executive—a popularly elected branch—is thinking. Thus, the results should be of interest to those studying constitutional construction.
Second, for those who believe the Court is, at times, sensitive to outside pressure—that is, the Court engages in strategic decision-making—our study sheds light on how, and why, the Court might gather information to help it make decisions. The Court demands information from the SG when it does not have it.
Third, our project made use of the SOTU to dynamically measure the presidential agenda. We see variation in the presidential agenda from year to year and can test the impact of this change. Using presidential SOTUs opens new avenues for research on the influence of broad policy agendas.
Fourth, our study offers implications for the active “going public” debate in presidential studies. While “going public” was not a focus of our study, we do show that institutions are apparently listening to the president’s agenda and even seek to supplement it when lacking. Finally, while not definitive proof that CVSG briefs directly promote the presidential agenda, our results are in line with what you would expect if briefs do represent the presidential agenda. This finding touches on a debate in the literature that questions who the SG answers to.
Overall, our study informs future research on the executive-judicial relationship. While justices have wide latitude to follow their ideological interests, our research demonstrates that they do seek to know the preferences of others. Indeed, their pattern of CVSG behavior follows closely with the amount of attention the president gives a topic area during the SOTU. Future research can seek to explore more of the intersections of the branches and to understand how the actors seek information.



