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Abstract

The problems associated with limited dependent variables in recreation demand models have been generally ignored in previous research efforts. A probable reason for not considering these problems is that practical procedures to test for truncated bias have only tecently become available. A method suggested by Olsen can serve as an indicator regarding the severity of possible sample truncation bias inherent in OLS estimates of recreation demand parameters. This paper illustrates Olsen's method for wilderness recreation demand models. The results illustrate that a simple transformation of parameter estimates associated with OLS can indicate a possible sample truncation problem.

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