Abstract

http://ssrn.com/abstract=1824390
 
 

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Addressing Onsite Sampling in Recreation Site Choice Models


Paul Hindsley


Eckerd College

Craig E. Landry


University of Georgia - Department of Agricultural & Applied Economics; East Carolina University - Department of Economics

Brad Gentner


Gentner Consulting Group

April 27, 2011


Abstract:     
Independent experts and politicians have criticized statistical analyses of recreation behavior that rely upon onsite samples due to their potential for biased inference, prompting some to suggest support for these efforts should be curtailed. The use of onsite sampling usually reflects data or budgetary constraints but can lead to two primary forms of bias in site choice models. First, the strategy entails sampling site choices rather than sampling anglers – a form of bias called endogenous stratification. Under these conditions, sample choices may not reflect the site choices of the true population. Second, the exogenous attributes of the recreational users sampled onsite may differ from the attributes of users in the population – the most common form in recreation demand is avidity bias. We propose addressing these biases by combining two existing methods, Weighted Exogenous Stratification Maximum Likelihood Estimation (WESMLE) and propensity score estimation. We use the National Marine Fisheries Service’s (NMFS) Marine Recreational Fishing Statistics Survey (MRFSS) to illustrate methods of bias reduction employing both simulation and empirical applications. We find that propensity score based weights can significantly reduce bias in estimation. Our results indicate that failure to account for these biases can overstate anglers’ willingness to pay for additional fishing catch.

Number of Pages in PDF File: 44

Keywords: On-site sampling, propensity score weighting, recreation demand, random utility models

JEL Classification: C13, D12, D69, Q26

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Date posted: April 29, 2011  

Suggested Citation

Hindsley, Paul and Landry, Craig E. and Gentner, Brad, Addressing Onsite Sampling in Recreation Site Choice Models (April 27, 2011). Available at SSRN: http://ssrn.com/abstract=1824390 or http://dx.doi.org/10.2139/ssrn.1824390

Contact Information

Paul Hindsley (Contact Author)
Eckerd College ( email )
United States
Craig Landry
University of Georgia - Department of Agricultural & Applied Economics ( email )
Athens, GA 30602-7509
United States
East Carolina University - Department of Economics ( email )
Brewster Building
Greenville, NC 27858
United States
Brad Gentner
Gentner Consulting Group ( email )
9007 Eton Road
Silver Spring, MD 20901
United States
202.455.4424 (Phone)
HOME PAGE: http://www.gentnergroup.com
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