“...We present a novel theory that immigrants facilitate innovation and entrepreneurship by being willing and able to invest in new skills. Immigrants whose human...”

“...A large literature exploits geographic variation in the concentration of immigrants to identify their impact on a variety of outcomes. To address the...”

“...It has long been hypothesized that individuals' migration propensities depend on their risk attitudes, but the empirical evidence has been limited and...”

“...Similar to other markets in which deviations from Jevons' “law of one price” is the norm rather than the exception, the retail wine market in the United States...”

“...In this study we extend our previous work to examine the dynamic relationship between violence committed by Palestinian factions and that committed by Israel...”

“...Evaluating policy changes that occur everywhere at the same time is difficult because of the lack of a clear counterfactual. Hoping to address this problem,...”

“...Randomized experiments provide unbiased estimates of treatment effects, but are costly and time consuming. We demonstrate how a randomized experiment can be...”

“...Because many individuals do not complete their degrees in the standard number of years, previous estimates of diploma effects, which have been based only on an...”

“...Evaluating policy changes that occur everywhere at the same time is difficult because of the lack of a clear counterfactual. Hoping to address this problem,...”