"This paper examines the causes of the observed increase in the average duration of unemployment over the past thirty years. First we analyze whether changes in the demographic composition of the U.S. labor force, particularly the age and gender composition, can explain this increase. We then...

We study the effects of labor market rigidities and frictions on firm-size distributions and dynamics. We introduce a model of endogenous entrepreneurship, labor market frictions, and firm-size dynamics with many types of rigidities, such as hiring and firing costs, search frictions with vacancy...

In this paper, we provide a set of comparable estimates of aggregate monthly job-finding and separation rates for twenty-seven OECD (Organisation for Economic Co-operation and Development) countries; these estimates can be used for the cross-country calibration of search models of unemployment....

Using a unique new survey, we study the relationship between search effort and outcomes for employed and non-employed workers. We find that the employed fare better than the non-employed in job search: they receive more offers per application and are offered higher pay even after controlling for...