This paper estimates time-varying COVID-19 reproduction numbers worldwide solely based on the number of reported infected cases, allowing for under-reporting. Estimation is based on a moment condition that can be derived from an agent-based stochastic network model of COVID-19 transmission. The...

U.S.-owned manufacturing affiliates in foreign countries tended to become more export-oriented between 1966 and 1977. The shift toward exporting characterized affiliates in most industries and most countries.The bulk of U.S.-owned production abroad continues to be for local sale in most...

We use new international price measures we have developed for machinery and transport equipment to explain changes in exports and export shares of the United States, Germany, and Japan. The effects of relative price changes on export shares are fairly large, producing relative quantity changes...