Market productivity is often greater, and leisure and other household activities more enjoyable, when people perform them simultaneously. Beyond pointing out the positive externalities of synchronicity, economists have not attempted to identify exogenous causes that affect timing. We develop a...

This examination of the role and potential for replication in economics points out the paucity of both pure replication -- checking on others' published papers using their data -- and scientific replication -- using data representing different populations in one's own work or in a Comment....

In the United States roughly one-half million workers with 3+ years on the job have become unemployed each year during the 1980s because of plant closings. There is evidence that this represents an increase over earlier periods of similar macroeconomic conditions. Wage cuts within the observed...