Oustapassidis, Kostas; Vlachvel, Aspassia; Notta, Ourania - In: American Journal of Agricultural Economics 82 (2000) 3, pp. 623-29
This paper uses firm level data to examine the market power versus efficiency hypothesis by taking into consideration both the long-run behavior of profitability and the possible endogeneity bias among profitability, market share, and advertising variables. In a sample of 266 Greek food...
