We study the evolution of belief systems that suppress productive effort. These include concerns about the envy of others, beliefs in the importance of luck for success, disdain for competitive effort, and traditional beliefs in witchcraft. We show that such demotivating beliefs can evolve when...

We analyze a rich cross-country data set that contains information on attitudes toward trade as well as a broad range of socio-demographic and other indicators. We find that pro-trade preferences are significantly and robustly correlated with an individual's level of human capital, in the manner...

This paper builds a simple model where there is a link between employees' perception of the fairness of employers and the actual distribution of income. Wages are based in part on employers' assessments of the productivity of individual employees. I show that the equilibrium distribution of...

Random samples of the Moscow' and New York populations were compared in their attitudes towards free markets by administering identical telephone interviews in the two countries in May, 1990. Although the Soviet respondents were somewhat less likely to accept exchange of money as a solution to...

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...

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....

We study how the structure of social media networks and the presence of fake news might affect the degree of misinformation and polarization in a society. For that, we analyze a dynamic model of opinion exchange in which individuals have imperfect information about the true state of the world...

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...

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...