Citation: Dm. Larson et Sl. Shaikh, Empirical specification requirements for two-constant models of recreationchoice, AM J AGR EC, 83(2), 2001, pp. 428-440
Citation: Sl. Shaikh et Jb. Loomis, An investigation into the presence and causes of environmental inequity inDenver, Colorado, SOC SCI J, 36(1), 1999, pp. 77-92