Purpose: The purpose of this paper is to measure and examine the relationships between market power, scale economy and productivity for several important food and tobacco industries in China. Design/methodology/approach: The model applied in this paper is based on Hall’s framework (Hall,...

Purpose: The purpose of this paper is to estimate oligopsony power in the upstream factor market and oligopoly power in the downstream product market. On this basis, the paper intends to examine the effects of both oligopsony and oligopoly power as well as ownership on technical efficiency...