Meta-analyses of past research outcomes are becoming more popular, however, the issue of the panel nature of data has not been empirically investigated. We test various forms of data stratifications into panels for outdoor recreation economic studies but do not find any significant effects,...

This paper tests the equivalence of conjoint ratings and rankings to estimate the values of prevention of forest pest infestations. It was found that rankings constructed from ratings were not statistically different from actual rankings. This implies that the easier ratings format can be used...