Yazar
Harald von Witzke
7 cilt bulundu.
Harald von Witzke · Duncker & Humblot
180 sayfa · 1979
Agricultural prices / Agriculture / Economic aspects / Economic aspects of Agriculture / Income distribution
Mathew D. Shane, Harald von Witzke · U.S. Dept. of Agriculture, Economic Research Service, Agriculture and Trade Analysis Division
272 sayfa · 1993
Congresses / Agriculture and state / Produce trade / Government policy / Environmental policy
Harald von Witzke · Center for International Food and Agricultural Policy, University of Minnesota
30 sayfa · 1993
Economic policy / Agriculture and state
Harald von Witzke · Dept. of Agricultural and Applied Economics, College of Agriculture, University of Minnesota
32 sayfa · 1993
Government policy / Wheat trade / Corn industry / Agricultural price supports
Harald von Witzke, C. Ford Runge · Wissenschaftsverlag Vauk
249 sayfa · 1989
Agriculture and state / Produce trade / International trade / Foreign trade regulation / Agricultural price supports