Just, Richard E.; Chern, Wen S. - In: Bell Journal of Economics 11 (1980) 2, pp. 584-602
This paper draws on the theory of monopsony and oligopsony to develop an empirical test for the presence of the market power where an exogenous shock on the relevant market may be observed. An application of this test is demonstrated for the tomato processing industry, where the exogenous shock...