Theoretical and Empirical Advantages of Truncated Count Data Estimators for Analysis of Deer Hunting in California

Michael Creel and John Loomis

American Journal of Agricultural Economics, 1990, vol. 72, issue 2, 434-441

Abstract: Truncated Poisson and truncated negative binomial count data models, as well as standard count data models, OLS, nonlinear normal, and truncated nonlinear normal MLE were used to estimate demand for deer hunting in California. The truncated count data estimators and their properties are reviewed. A large sample (N = 2223) allowed random segmenting of the data into specification, estimation, and out-of-sample prediction portions. Statistics of interest are therefore unbiased by the specification search, and the prediction results allow comparison of the statistical models' robustness. The new estimators are found to be more appropriate for estimating and predicting demand and social benefits than the alternative estimators based on a variety of criteria.

Date: 1990
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