The long term effect of teachers’ pay for performance is of particular interest, as critics of these schemes claim that they encourage teaching to the test or orchestrated cheating by teachers and schools. In this paper, I address these concerns by examining the effect of teachers’ pay for...

How does impatience affect job search? More impatient workers search less intensively and set a lower reservation wage. The effect on the exit rate from unemployment is unclear. In this paper we show that, if agents have exponential time preferences, the reservation wage effect dominates for...

This paper examines the validity of overidentification tests and exogeneity tests in the presence of grouped data. We find that even a small intra-group correlation, when instruments do not vary within groups, may generate a substantial bias in the standard overidentification tests described in...

This paper studies gender interactions within hierarchical organizations using a large data set on the duration of Italian municipal governments elected between 1993 and 2003. A municipal government can be viewed as a hierarchy, whose stability over time depends on the degree of cooperation...

his paper examines how violence in the Second Intifada influences Palestinian public opinion. Using micro data from a series of opinion polls linked to data on fatalities, we find that Israeli violence against Palestinians leads them to support more radical factions and more radical attitudes...

This paper investigates whether attacks against Israeli targets help Palestinian factions gain public support. We link individual level survey data to the full list of Israeli fatalities during the period of the Second Intifada (2000-2006), and estimate a flexible discrete choice model for...

This paper provides a new perspective on intergenerational mobility in the United States in the late 19th and early 20th centuries. We devise an empirical strategy that allows to calculate intergenerational elasticities between fathers and children of both sexes. The key insight of our approach...