We survey recent microeconometric research on investment and employment that has used panel data on individual firms or … theory of the demand for capital and labour, on which most of the econometric models of investment and employment that we … topics that have been the focus of recent microeconometric research on investment and employment. In particular, we review …

concentration. We document that the Herfindhahl index of local employment concentration, measured at the county-by-NAICS six … employment concentration trends is attributable to the structural transformation of U.S. economic activity: both sales and … employment concentration rose within industry-by-county cells; but reallocation of sales and employment from relatively …