Many efforts to improve school quality by adding school resources have proven to be ineffective. This paper presents the results of two experiments conducted in Mumbai and Vadodara, India, designed to ...

We generalize the seminal Gibbons-Ross-Shanken test to the empirically relevant case where the number of test assets far exceeds the number of observations. In such a setting, one needs to use a ...

In this essay, I analyze the nationalization of large copper mines during Salvador Allende’s socialist government in Chile in the 1970s. This is one of the earliest cases “nationalization without ...

We draw on a recombinant view of innovation, where being in a new location and/or multiple locations leads to exposure to novel combinations of ideas that increase the creativity of top scientists.

There is growing recognition of the relative importance of anthropogenic emissions of methane as a contributor to global climate change. An important source of such emissions in some countries, ...

This paper reviews the main motivations and arguments of my work on comparative development, colonialism and institutional change, which was often carried out jointly with James Robinson and Simon ...

In this article, we show that working from home is much more prevalent in the Nordic countries than in the rest of Europe and we discuss potential causes and labor market consequences of this stylized ...

We study how trade-policy dynamics affect the dynamics of trade volumes and the implications of these effects for estimates of the trade elasticity. We use data on US imports and trade policy from ...

We estimate the effect of competition on incumbent firm pricing by using high frequency price data and the precise geographic location for all gas stations in California. Using an event study design, ...

This paper examines the problem of a college affected by both a legal ban on affirmative action in admissions and pressure to raise enrollment of underrepresented minorities (URMs), as exemplified by ...

We analyze admissions and transcript records for students at multiple Ivy-Plus colleges to study the relationship between standardized (SAT/ACT) test scores, high school GPA, and first-year college ...

We measure whether expert patients – those trained as physicians and nurses – have fewer emergency department visits and the reasons for these differences. Relative to similar patients physicians and ...