F?re R, S Grosskopf and C Pasurka (1986). “Effects on Relative Efficiency in Electric-Power Generation Environmental Controls.” Resources and Energy 8: 167-184.

F?re R, S Grosskopf and C Pasurka (1989). “The Effect of Environmental Regulations on the Efficiency of Electric Utilities: 1969 Versus 1975.” Appl Econ 21: 225-235.

F?re R, S Grosskopf and C Pasurka (1989). “Multilateral Productivity Comparisons When Some Outputs Are Undesirable: A Non-Parametric Approach.” Review of Economics and Statistics 71(1): 90-98.

F?re R, S Grosskopf and CA Pasurka (2001). “Accounting for Air Pollution Emissions in Measures of State Manufacturing Productivity Growth.” J Regional Science 41(3): 381-409.

F?re R, S Grosskopf and CA Pasurka (2006). “Social Responsibility: US Power Plants 1985-1998.” JPA 26(3): 259-267.

F?re R, S Grosskopf and AP Roos (1995). “Reply to Comments on “Productivity and Quality Changes in Swedish Pharmacies.” Int J Prod Econ 39(1/2): 147-161.

F?re R, S Grosskopf and P Roos (1995). “Productivity and Quality Changes in Swedish Pharmacies.” Int J Prod Econ 39: 137-147.

F?re R, S Grosskopf and P Roos (1996). “On Two Definitions of Productivity.” Economics Letters 53(3): 269-274.

F?re R, S Grosskopf, P Roos and SC Ray (1995). “Productivity and Quality Changes in Swedish Pharmacies; Comments on Productivity and Quality Changes in Swedish Pharmacies; Reply.” Int J Prod Econ 39(1-2): 137-147.

F?re R, S Grosskopf and WL Weber (1989). “Measuring School District Performance.” Public Finance Quarterly 17(4): 409-428.