Poor countries are more volatile than rich countries, and we know this volatility impedes their growth. We also know that commodity price volatility is a key source of those shocks. This paper explores commodity and manufactures price over the past three centuries to answer three questions: Has...

This paper considers the evidence on real commodity prices from 1900 to 2015 for 40 commodities, representing 8.72 trillion US dollars of production in 2011. In so doing, it suggests and documents a comprehensive typology of real commodity prices, comprising long-run trends, medium-run cycles,...

We examine ten cohorts of male eighth graders in public schools in Chicago, IL: 1995-2004. We find that composite measures of math achievement, reading achievement, and neighborhood SES during elementary school are strong predictors of future felony arraignment and incarceration, even among...

We examine 70,581 felony court cases filed in Chicago, IL, from 1990-2007. We exploit case randomization to assess the impact of judge assignment and sentencing decisions on the arrival of new charges. We find that, in marginal cases, incarceration creates large and lasting reductions in...