We propose two indexes to measure the agglomeration forces acting within and between different regions. Unlike the … existing measures of agglomeration, our model-based indexes allow for simultaneous treatment of both aspects. Local plant … parameters is dealt with, including the problem of data censoring. The statistical properties of standard agglomeration indexes …

considers many different aspects of the agglomeration - labor market relationship, including turnover, learning, matching, and … agglomeration and uncertainty. There is also evidence of on-the-job learning that is consistent with theories of labor pooling …, labor poaching, and hold up. In addition, the paper provides evidence consistent with agglomeration improving job matches …