We study how restrictive immigration policies and the unexpected loss of peers affect the performance of skilled migrants, exploiting the unexpected increased denials of H-1B visa extensions in the United States beginning in 2017. We find that employees who lost peers of the same ethnic...

We provide evidence that the robust association between cognitive skills and economic growth reflects a causal effect of cognitive skills and supports the economic benefits of effective school policy. We develop a new common metric that allows tracking student achievement across countries, over...

We analyze a general search model with on-the-job search and sorting of heterogeneous workers into heterogeneous jobs. This model yields a simple relationship between (i) the unemployment rate, (ii) the value of non-market time, and (iii) the max-mean wage differential. The latter measure of...

We argue in favor of the shareholder model of the firm for three main reasons. First, serving multiple stakeholders leads to ill-defined property rights. What sounds like a fair compromise between stakeholders can easily evolve in a permanent struggle about the ultimate goal of the company....

This paper uses extensive student-level micro databases of three international student achievement tests to estimate heterogeneity in the effect of external exit exams on student performance along three dimensions. First, quantile regressions show that the effect tends to increase with student...

We provide a measure of equality of educational opportunity in 54 countries, estimated as the effect of family background on student performance in two international TIMSS tests. We then show how organizational features of the education system affect equality of educational opportunity. Our...