The "ideal" band-pass filter can be used to isolate the component of a time series that lies within a particular band of frequencies, but applying this filter requires a data set of infinite length. In practice, some sort of approximation is needed. Using projections, the authors derive...

An analysis of working hours, wages, and employment when production requires coordinating the work schedules of heterogeneous workers. The author shows that this coordination aspect of production can have important policy implications.

An examination of the effects of restricting the weekly hours of workers in a heterogeneous-agent, general-equilibrium framework. The main findings are that restricting weekly hours increases employment substantially, but may also lead to large declines in wages, productivity, output, and...