The theory of the dynamics of labor demand is based either on the costs of adjusting the level of employment or on the costs of hiring or firing (of gross changes in employment). We write down a generalized cost of adjustment function that includes both types of cost and allows for asymmetries...

In spite of ongoing dramatic changes in labor market structure, we present statistical evidence that transitional economies display rather low worker flows across sectors and occupations. Such low mobility can be explained by low returns to job changes as well as by market segmentation in the...