Using a wide array of examples from the literature and from original estimates, this essay examines the pitfalls that make good empirical research in labor economics as much art as science. Appropriateness and cleanliness of data are considered, as are problems of extreme observations and...

This working paper provides some preliminary results on the computational feasibility of nonlinear full information maximum likelihood (NECML) estimation. Severa1 of the test cases presented were also subjected to nonlinear three stage least square (NLBSLS) estimation in order to illustrate the...

A long-standing puzzle in the fiscal federalism literature is the empirical non-equivalence in government spending from grants and other income. I propose a fully rational model in which violations of fungibility arise from dynamic interactions between politicians and interest groups with the...