Does monopsony on the labor market in itself justify the implementation of a minimum wage when it would not be used in a competitive economy? This issue is studied in a model of optimal taxation. We adopt a definition most favorable to the minimum wage: the minimum wage is useful whenever it can...

This paper reexamines the efficiency of participation with heterogeneous workers in a search-matching model with bargained wages and free entry. Assuming that firms hire their best applicants, we state that participation is insufficient whatever workers' bargaining strengths. The reason for this...

This paper reexamines the e ciency of participation with heterogeneous workers in a search-matching model with bargained wages and free entry. As- suming that rms hire their best applicants, we state that participation is insu cient whatever workers' bargaining strengths. The reason for this is...