This paper investigates the causal influence of export concentration on measures of aggregate volatility. Geographically disadvantaged countries often have a concentrated export structure which makes them more vulnerable to external shocks. Identifying causal effects of export concentration on...

This study examines the effect of oil and gas inventory announcements on energy prices. Previous estimates of this effect suffer from bias due to measurement error in inventory surprises. We utilize intraday futures data for three petroleum commodities and natural gas to estimate the price...