@techreport{NBERr0218, title = "Energy Resources and Research and Development", author = "Partha Dasgupta and Richard Gilbert and Joseph E. Stiglitz", institution = "National Bureau of Economic Research", type = "Working Paper", series = "Reprint Series", number = "218", year = "1981", month = "November", URL = "http://www.nber.org/papers/r0218", abstract = {}, }