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A Flexible Time-Varying Specification of the Technical Inefficiency Effects Model
Karagiannis, Giannis, (2005)
Measuring the Accountability of Advertising Expenses in the Presence of Sales Cost Inefficiency and Marketing Spillovers
Giannakas, Konstantinos, (2007)
Evaluating the Impact of Public and Private Agricultural Extension on Farms Performance: A Non-neutral Stochastic Frontier Approach
Dinar, Ariel,