Published in: IMF Working Papers, Vol. , pp. 1-19, 2008

Published in: Internationaler Währungsfonds: IMF working papers ; 800

Published in: Walker College of Business: Department of Economics working paper ; 201809

Published in: American Journal of Agricultural Economics, 103 (2021) 1, Seite 90-105

Published in: Transportation Research Part D: Transport and Environment, 15 (2010) 7, Seite 418-427

Published in: American Journal of Agricultural Economics, 87 (2005) 2, Seite 327-339

Published in: American Journal of Agricultural Economics, 87 (2005) 2, Seite 302-313

Published in: Journal of Agricultural and Applied Economics, 15 (1983) 1, Seite 83-87

Published in: Journal of Agricultural and Applied Economics, 12 (1980) 1, Seite 113-118

Published in: Journal of Agricultural and Applied Economics, 12 (1980) 2, Seite 163-164

Published in: Journal of Agricultural and Resource Economics, 42 (2017) 1, Seite 10-26

Published in: Physiological and Biochemical Zoology: Ecological and Evolutionary Approaches, 80 (2007) 5, Seite 556-556

Published in: Physiological and Biochemical Zoology: Ecological and Evolutionary Approaches, 79 (2006) 3, Seite 665-674

Published in: Ecological Modelling, 192 (2006) 1-2, Seite 286-298

Published in: Land Economics, 77 (2001) 1, Seite 118-129

Published in: American Journal of Agricultural Economics, 82 (2000) 3, Seite 515-526

Published in: Weed Science, 47 (1999) 1, Seite 62-66

Published in: American Journal of Agricultural Economics, 81 (1999) 4, Seite 972-982

Published in: Growth and Change, 28 (1997) 4, Seite 520-533