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To see if attitudes are changing about the potential for using one's home to cover living expenses in retirement, the Center for Retirement Research commissioned a survey that examined the house as a potential source of retirement income. Harris Interactive® conducted the study online within the United States between January 24 and February 2, 2007 among 2,673 adults (aged 50-65). Figures for age, sex, race, education, household income, and region were weighted where necessary to bring them into line with their actual proportions in the population. Propensity score weighting was also used to adjust for respondents’ propensity to be online. The questionnaire, results, and raw data from both surveys are available.
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The implications of clientelism for democratic accountability are mixed: brokers help coordinate votes for collective gain, but also exploit their position to advance personal interest. I argue that brokers use distinct strategies -- persuasion, reciprocation, and punishment -- to motivate voters as a function of their local institutional context. Competitively selected brokers whose preferences are aligned with those of followers can rely more on persuasion than instrumental inducements. Economically autonomous brokers are more likely to rely on sanctions than reciprocity. Evidence to support both the proposed typology of broker strategies and their determinants is collected in Senegal, a clientelistic democracy where group-level heterogeneity generates natural variation in broker types. A coordination game played with real brokers illustrates that participants are less likely to sacrifice personal gain when brokers are competitively selected, more likely when they most fear retribution. Qualitative data suggest results from the laboratory game plausibly generalize to behavior in elections.
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Replication data for Sex Isn't Gender: Reforming Concepts and Measurements in the Study of Public Opinion. Files include *.dta files, *.do files, and a readme file (*.docx).
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Replication files for Naval Power, Endogeneity, and Long-distance Disputes. Does an increase in naval power increase the likelihood of interstate disputes? While volumes have been written on the importance of naval power, we are left with little more than intuition and anecdotal evidence to provide potential answers to this question. Endogeneity issues in particular make it difficult to untangle the links between developing naval power and interstate conflict. Here I present a new instrument for naval power. Utilizing a new dataset of naval power and employing an instrumental variable analysis, I present one of the first large cross-national studies showing a significant link between naval power and a specific type of interstate conflict -– non-contiguous disputes. The findings have implications for the future actions of states whose naval strength is growing.
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This data relates to our paper "Stereotype and Most-Popular Recommendations in the Digital Library Sowiport". The data includes a list of the 28 million delivered and clicked recommendations as CSV file, the R script to analyze the data, and the figures and tables presented in this paper as PNG and CSV files. This open access to the data allows replicating our analyses, checking the results for correctness, and conducting additional analyses.
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Stata code and data for replicating figures and tables in the manuscript.
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Archive containing all V5 Layers in ESRI Shapefile format. Please select either GBK or UTF8 encoded versions. For more information about this data please see: http://www.fas.harvard.edu/~chgis/data/chgis/downloads/v5/about/
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Transparency of research is a large concern in political science, and the practice of publishing links to datasets and other online resources is one of the main methods by which political scientists promote transparency. But the method cannot work if the links don’t, and very often, they don’t. We show that most of the URLs ever published in the American Political Science Review no longer work as intended. The problem is severe in recent as well as in older articles; for example, more than one-fourth of links published in the APSR in 2013 were broken by the end of 2014. We conclude that “reference rot” limits the transparency and reproducibility of political science research. We also describe practices that scholars can adopt to combat the problem: when possible, they should archive data in trustworthy repositories, use links that incorporate persistent digital identifiers, and create archival versions of the webpages to which they link.
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Article abstract: "Recent decades have seen a considerable increase in delegation to independent regulatory agencies, which has been justified by reference to the superior performance of these bodies relative to government departments. Yet, the hypothesis that more independent regulators do better work has hardly been tested. We examine the link using a comprehensive measure of the quality of work carried out by competition authorities in 30 OECD countries, and new data on the design of these organizations. We find that formal independence has a positive and significant effect on quality. Contrary to expectations, though, formal political accountability does not boost regulatory quality, and there is no evidence that it increases the effect of independence by reducing the risk of slacking. The quality of work is also enhanced by increased staffing, more extensive regulatory powers, and spillover effects of a more capable bureaucratic system". Data: This release contains data from the Global Competition Review. This data is made available for non-commercial purposes only.
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Candidates employ strategies that depend on the electorate involved and the opponent(s) they face. In two-stage elections - elections that include both a primary and a general election - candidates must balance the need to satisfy their party's electorate and defeat their primary opponent(s) with the need to appeal to the electorate as a whole in order to defeat their general election opponent. That balance will depend on whether the primary stage is contested or not. We evaluate how candidates in 56 U.S. Senate and gubernatorial campaigns respond to these considerations by analyzing the bundles of issues candidates emphasize in their campaign advertising. As expected, electoral competition leads candidates to emphasize similar issues over the course of their campaigns. As a result, candidates involved in contested primaries adopt a mixed strategy, responding both to their primary election opponents and their eventual general election opponent during the primary-election phase of the contest.
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