ISPS Data Archive

Part of the Yale Institution for Social and Policy Studies (ISPS) Dataverse, the ISPS Data Archive includes “replication packages” (i.e., data, analysis code, requisite documentation, and other associated materials) for research supported by ISPS. Replication packages have been reviewed to enable long-term usability using the YARD tool. Read about our approach to curating for reproducibility.

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71 to 80 of 147 Results

The (Identification) Cards You Are Dealt: Biased Treatment of Anglos and Latinos Using Municipal-Issued versus Unofficial ID Cards Apr 8, 2026 Ruth K. Ditlmann; Paul Lagunes, 2016, "The (Identification) Cards You Are Dealt: Biased Treatment of Anglos and Latinos Using Municipal-Issued versus Unofficial ID Cards", https://doi.org/10.60600/YU/TIDLAF, Yale Dataverse, V2 The current field experiment investigated if and how Latinos versus Anglos experience biased treatment in a setting where documentation is relevant. In an audit experiment, Latino customers were treated differently than a matched team of Anglo customers when making $10 check payments at retail stores. Specifically, Latinos were asked to present an...
Ballot Secrecy Concerns and Voter Mobilization: New Experimental Evidence About Message Source, Context, and the Duration of Mobilization Effects Apr 8, 2026 Alan S. Gerber; Gregory Huber; Daniel Biggers; David Hendry, 2015, "Ballot Secrecy Concerns and Voter Mobilization: New Experimental Evidence About Message Source, Context, and the Duration of Mobilization Effects", https://doi.org/10.60600/YU/J3NR9U, Yale Dataverse, V2 Recent research finds that doubts about the integrity of the secret ballot as an institution persist among the American public. We build on this finding by providing novel field experimental evidence about how information about ballot secrecy protections can increase turnout among registered voters who had not previously voted. First, we show that...
When Politicians Cede Control of Resources: Land, Chiefs, and Coalition-Building in Africa Apr 8, 2026 Kate Baldwin, 2014, "When Politicians Cede Control of Resources: Land, Chiefs, and Coalition-Building in Africa", https://doi.org/10.60600/YU/FEJASS, Yale Dataverse, V2 Why would politicians give up power over the allocation of resources to community leaders? This article examines why many African governments have ceded power over the allocation of land to unelected traditional leaders. In contrast to the existing literature, which suggests that traditional leaders' power is a historical holdover that has not been...
Science Deserves Better: The Imperative to Share Complete Replication Files Apr 8, 2026 Allan Dafoe, 2014, "Science Deserves Better: The Imperative to Share Complete Replication Files", https://doi.org/10.60600/YU/IYU6UL, Yale Dataverse, V2 In April 2013, a controversy arose when a working paper (Herndon, Ash, and Pollin 2013) claimed to show serious errors in a highly cited and influential economics paper by Carmen Reinhart and Kenneth Rogoff (2010). The Reinhart and Rogoff paper had come to serve as authoritative evidence in elite conversations (Krugman 2013) that high levels of deb...
Long-Term Effect of September 11 on the Political Behavior of Victims’ Families and Neighbors Apr 8, 2026 Eitan Hersh, 2014, "Long-Term Effect of September 11 on the Political Behavior of Victims’ Families and Neighbors", https://doi.org/10.60600/YU/TY05NA, Yale Dataverse, V2 This article investigates the long-term effect of September 11, 2001 on the political behaviors of victims’ families and neighbors. Relative to comparable individuals, family members and residential neighbors of victims have become—and have stayed—significantly more active in politics in the last 12 years, and they have become more Republican on ac...
Understanding the Party Brand: Experimental Evidence on the Role of Valence Apr 8, 2026 Daniel Butler; Eleanor Neff Powell, 2014, "Understanding the Party Brand: Experimental Evidence on the Role of Valence", https://doi.org/10.60600/YU/ATPJPX, Yale Dataverse, V2 The valence component of a party's reputation, or brand, has been less scrutinized than other components of party-based theories of legislatures. This lack of scrutiny results from the difficulty of isolating the valence component from policy-related components and the difficulty of studying legislators' motives. We overcome these challenges by con...
Changing Minds or Changing Channels? Partisan News in an Age of Choice Apr 8, 2026 Kevin Arceneaux; Martin Johnson, 2015, "Changing Minds or Changing Channels? Partisan News in an Age of Choice", https://doi.org/10.60600/YU/D8D2UN, Yale Dataverse, V2 We live in an age of media saturation, where with a few clicks of the remote—or mouse—we can tune in to programming where the facts fit our ideological predispositions. But what are the political consequences of this vast landscape of media choice? Partisan news has been roundly castigated for reinforcing prior beliefs and contributing to the highl...
Information and Self-Enforcing Democracy: The Role of International Election Observation Apr 8, 2026 Susan D. Hyde; Nikolay Marinov, 2014, "Information and Self-Enforcing Democracy: The Role of International Election Observation", https://doi.org/10.60600/YU/ZECYQQ, Yale Dataverse, V2 This article argues that when democracy is not yet institutionalized, leaders have little incentive to push for clean elections, in part because they are likely to face accusations of fraud from domestic opposition groups regardless of their true behavior. Reputable international election observers can facilitate self-enforcing democracy by providi...
Do Perceptions of Ballot Secrecy Influence Turnout? Results from a Field Experiment Apr 8, 2026 Alan S. Gerber; Gregory Huber; David Doherty; Conor M. Dowling; Seth J. Hill, 2014, "Do Perceptions of Ballot Secrecy Influence Turnout? Results from a Field Experiment", https://doi.org/10.60600/YU/K3CVZR, Yale Dataverse, V2 Although the secret ballot has been secured as a legal matter in the United States, formal secrecy protections are not equivalent to convincing citizens that they may vote privately and without fear of reprisal. We present survey evidence that those who have not previously voted are particularly likely to voice doubts about the secrecy of the votin...
Black Politicians Are More Intrinsically Motivated to Advance Blacks’ Interests: A Field Experiment Manipulating Political Incentives Apr 8, 2026 David E. Broockman, 2013, "Black Politicians Are More Intrinsically Motivated to Advance Blacks’ Interests: A Field Experiment Manipulating Political Incentives", https://doi.org/10.60600/YU/XHUDSR, Yale Dataverse, V2 Why are politicians more likely to advance the interests of those of their race? I present a field experiment demonstrating that black politicians are more intrinsically motivated to advance blacks' interests than are their counterparts. Guided by elite interviews, I emailed 6,928 U.S. state legislators from a putatively black alias asking for help...

The (Identification) Cards You Are Dealt: Biased Treatment of Anglos and Latinos Using Municipal-Issued versus Unofficial ID Cards

Apr 8, 2026

Ruth K. Ditlmann; Paul Lagunes, 2016, "The (Identification) Cards You Are Dealt: Biased Treatment of Anglos and Latinos Using Municipal-Issued versus Unofficial ID Cards", https://doi.org/10.60600/YU/TIDLAF, Yale Dataverse, V2

The current field experiment investigated if and how Latinos versus Anglos experience biased treatment in a setting where documentation is relevant. In an audit experiment, Latino customers were treated differently than a matched team of Anglo customers when making $10 check payments at retail stores. Specifically, Latinos were asked to present an...

Ballot Secrecy Concerns and Voter Mobilization: New Experimental Evidence About Message Source, Context, and the Duration of Mobilization Effects

Apr 8, 2026

Alan S. Gerber; Gregory Huber; Daniel Biggers; David Hendry, 2015, "Ballot Secrecy Concerns and Voter Mobilization: New Experimental Evidence About Message Source, Context, and the Duration of Mobilization Effects", https://doi.org/10.60600/YU/J3NR9U, Yale Dataverse, V2

Recent research finds that doubts about the integrity of the secret ballot as an institution persist among the American public. We build on this finding by providing novel field experimental evidence about how information about ballot secrecy protections can increase turnout among registered voters who had not previously voted. First, we show that...

When Politicians Cede Control of Resources: Land, Chiefs, and Coalition-Building in Africa

Apr 8, 2026

Kate Baldwin, 2014, "When Politicians Cede Control of Resources: Land, Chiefs, and Coalition-Building in Africa", https://doi.org/10.60600/YU/FEJASS, Yale Dataverse, V2

Why would politicians give up power over the allocation of resources to community leaders? This article examines why many African governments have ceded power over the allocation of land to unelected traditional leaders. In contrast to the existing literature, which suggests that traditional leaders' power is a historical holdover that has not been...

Science Deserves Better: The Imperative to Share Complete Replication Files

Apr 8, 2026

Allan Dafoe, 2014, "Science Deserves Better: The Imperative to Share Complete Replication Files", https://doi.org/10.60600/YU/IYU6UL, Yale Dataverse, V2

In April 2013, a controversy arose when a working paper (Herndon, Ash, and Pollin 2013) claimed to show serious errors in a highly cited and influential economics paper by Carmen Reinhart and Kenneth Rogoff (2010). The Reinhart and Rogoff paper had come to serve as authoritative evidence in elite conversations (Krugman 2013) that high levels of deb...

Long-Term Effect of September 11 on the Political Behavior of Victims’ Families and Neighbors

Apr 8, 2026

Eitan Hersh, 2014, "Long-Term Effect of September 11 on the Political Behavior of Victims’ Families and Neighbors", https://doi.org/10.60600/YU/TY05NA, Yale Dataverse, V2

This article investigates the long-term effect of September 11, 2001 on the political behaviors of victims’ families and neighbors. Relative to comparable individuals, family members and residential neighbors of victims have become—and have stayed—significantly more active in politics in the last 12 years, and they have become more Republican on ac...

Understanding the Party Brand: Experimental Evidence on the Role of Valence

Apr 8, 2026

Daniel Butler; Eleanor Neff Powell, 2014, "Understanding the Party Brand: Experimental Evidence on the Role of Valence", https://doi.org/10.60600/YU/ATPJPX, Yale Dataverse, V2

The valence component of a party's reputation, or brand, has been less scrutinized than other components of party-based theories of legislatures. This lack of scrutiny results from the difficulty of isolating the valence component from policy-related components and the difficulty of studying legislators' motives. We overcome these challenges by con...

Changing Minds or Changing Channels? Partisan News in an Age of Choice

Apr 8, 2026

Kevin Arceneaux; Martin Johnson, 2015, "Changing Minds or Changing Channels? Partisan News in an Age of Choice", https://doi.org/10.60600/YU/D8D2UN, Yale Dataverse, V2

We live in an age of media saturation, where with a few clicks of the remote—or mouse—we can tune in to programming where the facts fit our ideological predispositions. But what are the political consequences of this vast landscape of media choice? Partisan news has been roundly castigated for reinforcing prior beliefs and contributing to the highl...

Information and Self-Enforcing Democracy: The Role of International Election Observation

Apr 8, 2026

Susan D. Hyde; Nikolay Marinov, 2014, "Information and Self-Enforcing Democracy: The Role of International Election Observation", https://doi.org/10.60600/YU/ZECYQQ, Yale Dataverse, V2

This article argues that when democracy is not yet institutionalized, leaders have little incentive to push for clean elections, in part because they are likely to face accusations of fraud from domestic opposition groups regardless of their true behavior. Reputable international election observers can facilitate self-enforcing democracy by providi...

Do Perceptions of Ballot Secrecy Influence Turnout? Results from a Field Experiment

Apr 8, 2026

Alan S. Gerber; Gregory Huber; David Doherty; Conor M. Dowling; Seth J. Hill, 2014, "Do Perceptions of Ballot Secrecy Influence Turnout? Results from a Field Experiment", https://doi.org/10.60600/YU/K3CVZR, Yale Dataverse, V2

Although the secret ballot has been secured as a legal matter in the United States, formal secrecy protections are not equivalent to convincing citizens that they may vote privately and without fear of reprisal. We present survey evidence that those who have not previously voted are particularly likely to voice doubts about the secrecy of the votin...

Black Politicians Are More Intrinsically Motivated to Advance Blacks’ Interests: A Field Experiment Manipulating Political Incentives

Apr 8, 2026

David E. Broockman, 2013, "Black Politicians Are More Intrinsically Motivated to Advance Blacks’ Interests: A Field Experiment Manipulating Political Incentives", https://doi.org/10.60600/YU/XHUDSR, Yale Dataverse, V2

Why are politicians more likely to advance the interests of those of their race? I present a field experiment demonstrating that black politicians are more intrinsically motivated to advance blacks' interests than are their counterparts. Guided by elite interviews, I emailed 6,928 U.S. state legislators from a putatively black alias asking for help...

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