//-->
Do CVM welfare estimates suffer from on-site sampling bias? : a comparison of on-site and household visitor surveys
González-Sepúlveda, Juan Marcos, (2010)
Environmental policy analysis for decision making
Loomis, John B., (2001)
Vertically summing public good demand curves : an empirical comparison of economic versus political jurisdections
Loomis, John B., (2000)