This paper analyzes an optimal antitrust policy on horizontal mergers under asymmetric information when antitrust agency cannot observe the post-merger private cost of merged firms. By using a discrete mechanism design approach with self-selection, this paper proposes an incentive compatible...

We show that the presence of a strategic tax policy increases the incentive for a horizontal merger compared to the situation with no tax policy. Thus, we point towards a new factor, viz., strategic tax policy, for increasing the incentive for a horizontal merger that has been ignored in the...

This article, considering relative performance vs. market share delegation in a vertically related market, shows how the order of firms' move and the type of delegation contract would affect the input-pricing decision of the upstream monopolist and examines which delegation contract is a...