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Employment Adjustment and Part-time Jobs: The U.S. and the U.K. in the Great Recession
by Daniel Borowczyk-Martins, Etienne Lalé
(March 2016)

Abstract:
We document that fluctuations in part-time employment play a major role in movements in hours per worker, especially during cyclical swings in the labor market. Building on this result, we propose a novel representation of the intensive margin based on a stock-flow framework. The evolution of part-time employment is predominantly explained by cyclical changes in transitions between full-time and part-time employment, which occur overwhelmingly at the same employer and entail large changes in individuals' working hours. We discuss implications for a large class of macroeconomic models that map individual decisions along the extensive/intensive margins onto aggregate labor market outcomes.
Text: See Discussion Paper No. 9847