A semi-Markov model of turnover, resulting from optimizing behavior on the part of workers, is developed. Duration …

exist because of valuable job-matches, unemployment among high-productivity laid-off workers may be optimal from societal … unemployment instead of low-wage jobs, resulting in an inefficient level of unemployment. This paper shows that in such cases, a re …

unemployment in unprecedented detail. We document a strong and persistent rise in segregation between workers and the unemployed … less even with respect to the distribution of unemployment. Regarding centrality, we demonstrate that local unemployment … unevenness and concentration of unemployment in the center, but find little affirmative evidence. Instead, the strong overall …