How high is unemployment? How low is labor force participation? Is obesity more prevalent among men? How large are household expenditures? We study the sources of the relevant official statistics--the Current Population Survey (CPS), the Behavioral Risk Factor Surveillance System (BRFSS), and...

Stock-market crashes tend to follow run-ups in prices. These episodes look like bubbles that gradually inflate and then suddenly burst. We show that such bubbles can form in a Zeira-Rob type of model in which demand size is uncertain. Two conditions are sufficient for this to happen: A declining...

This paper documents and assesses the significance of the policy changes in China that WTO accession implies in 3 key service categories (banking, insurance, and telecoms), asking whether it is likely they will really be fully implemented in their entirety as undertaken at signature in 2002....