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State Dependence and Long Term Site Capital in a Random Utility Model of Recreation Demand

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Paper Number: 2007-11

Document Date: 12/31/2007

Authors: D. Matthew Massey, George R. Parsons

Subject Areas: Marine/Coastal Zone Resources; Recreation/Travel Demand

Keywords: site capital; state dependence; beach recreation; travel cost

Abstract: Conventional discrete choice Random Utility Maximization (RUM) models of recreation demand ignore the influence of knowledge, or site capital, gained over past trips on current site choice, despite its obvious impact. We develop a partially dynamic RUM model that incorporates a measure of site capital as an explanatory variable in an effort to address this shortcoming. To avoid the endogeneity of past and current trip choices, we estimate an auxiliary instrumental variable regression to purge site capital of its correlation with the error terms in current site utility. Our instrumental variable regression gives a fitted value ranging between 0 and 1 for each alternative for each person – a prediction of whether or not a person visited a site. Results suggest that the presence of accumulated site capital is an important predictor of current trips, and that failure to account for site capital will likely lead to underestimates of potential welfare effects.

Attachment: 2007-11.pdf (262K, About PDF)


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