As President Obama takes charge, expectations are high. The economic crisis, global warming, healthcare, the wars in Iraq and Afghanistan,…
We construct an axiomatic index of spatial concentration around a center or capital
point of interest, a concept with wide applicability…
Obama faces a difficult international environment, but previous presidents have managed to employ hard, soft and smart power in equally…
The report surveys the state of our knowledge regarding the effects of trade on the environment. A central question is whether…
On a cool Kenyan summer afternoon, a Nairobi policeman in a navy-blue sweater ushered fourteen prisoners into Courtroom No. 6 of the…
We estimate the “place premium”—the wage gain that accrues to foreign workers who arrive to work in the United States. First, we estimate…