This paper studies information diffusion in social media and the role of bots in shaping public opinions. Using Twitter data on the 2016 E.U. Referendum ("Brexit") and the 2016 U.S. Presidential Election, we find that diffusion of information on Twitter is largely complete within 1-2 hours....

At the end of 1983 Gallup polls showed that 52 percent of Americans thought that the probability of a world war in the next 10 years was 50% or higher; by 1989 the percentage had dropped to 29%. Fear of war of this pervasiveness is bound to have an effect on decisions about present versus...

This paper demonstrates that a survey-based measure of the perceived likelihood of nuclear war in a country is negatively correlated with the country's rate of net private saving, holding other determinants of saving constant. This result is established using date on twenty OECD countries for...

The relationship between the degree of inequality and the demand for redistribution has been a central question in political science and political economy. The famous median-voter model predicts that higher inequality, reflected in a growing gap between the income of the average and the median...

While most Americans have long favored a balanced federal budget , not all do. This paper uses cross-sectional differences among respondents to two public opinion polls to try to discriminate among competing hypotheses about why Americans want the budget balanced. Logit models are fit to data...

It is sometimes said that an effect of the COVID-19 pandemic will be heightened appreciation of the importance of scientific research and expertise. We test this hypothesis by examining how exposure to previous epidemics affected trust in science and scientists. Building on the "impressionable...

Economists are often puzzled by the stronger public opposition to immigration than trade, since the two policies have similar effects on wages. Unlike trade, however, immigration can alter the composition of the local population, imposing potential externalities on natives. While previous...

This paper shows that although the top ten percent of colleges are substantially more selective now than they were 5 decades ago, most colleges are not more selective. Moreover, at least 50 percent of colleges are substantially less selective now than they were then. This paper demonstrates that...

The Cincinnati Post published its last edition on New Year's Eve 2007, leaving the Cincinnati Enquirer as the only daily newspaper in the market. The next year, fewer candidates ran for municipal office in the Kentucky suburbs most reliant on the Post, incumbents became more likely to win...

We exploit random assignment of gender quotas across Indian village councils to investigate whether having a female chief councillor affects public opinion towards female leaders. Villagers who have never been required to have a female leader prefer male leaders and perceive hypothetical female...