Lee, Lung-Fei2009-12-022009-12-021984-11Lee, L., (1984), "Specification Tests for Poisson Regression Models", Discussion Paper No. 208, Center for Economic Research, Department of Economics, University of Minnesota.https://hdl.handle.net/11299/55390This paper has addressed specification tests for Poisson regression models with counted data. Various test statistics are derived with respect to general models for counted data. The main features of the tests are on the testing of the constraints implied by the moments of the Poisson distribution. An information matrix test is inconsistent against alternative models with equal variance and mean functions. Test procedures derived with distributions by series expansions will be of interest for its flexibility and generality for the testing of Poisson distribution.en-USWorking Paper