Narrow search
Showing 1 - 3 of 3
Cover Image
Productivity measurement in the presence of quality change
Craig, Barbara J. - In: American journal of agricultural economics 78 (1996) 5, pp. 1349-1354
Persistent link: https://www.econbiz.de/10001220393
Cover Image
International productivity patterns : accounting for input quality, infrastructure, and research
Craig, Barbara J. - In: American journal of agricultural economics 79 (1997) 4, pp. 1064-1076
Persistent link: https://www.econbiz.de/10001238863
Cover Image
Causal relationship between public sector agricultural research expenditures and output
Pardey, Philip G. - In: American journal of agricultural economics 71 (1989) 1, pp. 9-19
Persistent link: https://www.econbiz.de/10001065892