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Zähldatenmodelle mit variierenden Parametern
Mayer, Jochen, (2000)
Econometric analysis of count data : with 20 tables
Winkelmann, Rainer, (2000)
Count data regression using series expansions : with applications
Cameron, Adrian Colin, (1996)
Integrated markup rules for optimal pricing decisions in expanding markets for organic produce
Lohr, Luanne, (1999)
Voluntary economic and environmental risk tradeoffs in crop protection decisions
Lohr, Luanne, (1998)
Supply and demand factors for organic produce
Park, Timothy A., (1996)