In an 80-country panel since the 1960s, the convergence rate for per capita GDP is around 1.7% per year. This "beta convergence" is conditional on an array of explanatory variables that hold constant countries' long-run characteristics. The introduction of country fixed effects generates a much...

A new options-pricing formula applies to far-out-of-the money put options on the stock market when disaster risk dominates, the size distribution of disasters follows a power law, and the economy has a representative agent with Epstein-Zin utility. The elasticity of the put-options price is one...

Long-term data show that the dynamic efficiency condition r>g holds when g is represented by the average growth rate of real GDP if r is the average real rate of return on equity, E(re ), but not if r is the risk-free rate, rf .

Mortality and economic contraction during the 1918–1920 Great Influenza Epidemic provide plausible upper bounds for outcomes under the coronavirus (COVID-19).