This paper considers time series Generalized Method of Moments (GMM) models where a subset of the parameters are time varying. We focus on an empirically relevant case with moderately large instabilities, which are well approximated by a local asymptotic embedding that does not allow the...

The viability of local government-sponsored community development of poor ethnic enclaves hinges on the perceptions of residents. If residents view the enclave in which they live as their "community of choice," they will be more likely to join with local government to coproduce community...