...Jiawu Dai; Xun Li 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...

..., the higher the TFEE; private ownership, large size, raw material, safe productivity, total recovery rate as well as technical progress can improve TFEE significantly. Originality/value – This paper analyzes TFEE using a rich data set at firm level, allowing the existence of firm heterogeneity, as well...