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Much of the literature on theories of decision making under risk has emphasized differences between theories. One enduring theme has been the attempt to develop a distinction between “normative” and “descriptive” theories of choice. Bernoulli (1738) introduced log utility because expected value theory was alleged to have descriptively incorrect predictions for behavior in St. Petersburg games. Much later, Kahneman and Tversky (1979) introduced prospect theory because of the alleged descriptive failure of expected utility (EU) theory (von Neumann & Morgenstern, 1947).

The purpose of this paper is to investigate the relationship among ownership structure, information disclosure and benefits of control under Lab‐experimental frame, based on the ownership structure in China's stock market.

Theoretical Shapley value of shareholders was used as the representative of control right, and benefits of control in different experimental treatments were studied.

Experimental results show: first, more counterbalance of shareholders' control rights, less benefits of their control right. Accordingly, more chance to form core alliance for the major shareholder with small shareholders, less chance for them to get control right; second, the effect of information on benefits of control are mainly reflected in forming and maintaining the alliance; third, Shapley value of the major shareholder and the information determine the alliance type; fourth, control premium may be the cost of keeping the major shareholder's benefits safe and fifth, imperfect information is not always bad, concealing information partly can improve the distribution efficiency of a corporation.

The paper provides experimental analysis of the behavioral logic behind the benefits of control, which would help to explain the relationship among ownership structure, information disclosure and benefits of control.