1. Bishop, R. C., and T. A. Heberlein. 1979. “Measuring values of extramarket goods: Are indirect measures biased?” American Journal of Agricultural Economics 61: 926–930.
2. Bishop, R. C., T. A. Heberlein, and M. J. Kealy. 1983. “Contingent valuation of environmental assets: Comparisons with a simulated market.” Natural Resources Journal 23:619–633.
3. Invited paper, joint meetings of the Association of Environmental and Resource Economists, the American Agricultural Economics Association, and the Northeast Agricultural Economics Council;RC Bishop,1984
4. Boadway, R. W., and D. E. Wildasin. 1984. Public Sector Economics. Boston: Little, Brown.
5. Bockstael, N. E., and K. E. McConnell. 1981. “Theory and estimation of the household production function for wildlife recreation.” Journal of Environmental Economics and Management 8:199–214.