concentration. Data on job destruction and employment change for U.S. manufacturing show unambiguous evidence of concentration …

issues at the core of this ongoing debate. We find that the relationship between firm size and employment growth is sensitive …

.5 percent below the 1990 peak and a mere one percent above the 1993 trough. Employment rates tell a similar story. Our …

, we exploit the recently developed Longitudinal Business Database (LBD), which contains annual observations on employment …, the employment-weighted mean volatility of firm growth rates has declined by more than 40% since 1982. This result stands … volatility among privately held firms. This pattern holds in every major industry group. Employment shifts toward older …

Employment rates in Puerto Rico range from 55 to 65 percent of U.S. rates during the past thirty years. This huge … employment shortfall holds for men and women, cuts across all education groups, and is deeper for persons without a college … educated workers. Motivated by these facts, we identify several factors that undermine employment growth and business …

We rely on a decomposition of employment changes into job creation and job destruction components - and a novel set of … inferences: 1) The data favor a many- shock characterization of fluctuations in employment and job reallocation, 2) Theories of … employment fluctuations that attribute a predominant role to aggregate shocks must in order to fit the data involve …