Bilevel optimization problems are hierarchical optimization problems where the feasible
region of the so-called upper level problem is restricted by the graph of the solution set …

Bilevel optimization problems are hierarchical optimization problems where the feasible
region of the so-called upper level problem is restricted by the graph of the solution set …

Altruistic donors face common good problem which calls for cooperation and policy
integration. On the other hand, the more united and responsible donors act towards the poor …

Traditional modelling of mergers has the merged firms (insiders) cooperate and maximize
joint profits. This approach has several unappealing results in quantity‐setting games, for …

The fourth-party platform provides an alternative consumption channel that greatly saves
transaction costs. As a new e-commerce phenomenon that appears more in the service …

This paper examines the consequences of a Stackelberg leader merging with followers
when costs are convex. Such mergers are always profitable for the participants, and the …

This paper examines the set of surplus maximizing mergers in a model of mixed oligopoly.
The presence of a welfare maximizing public firm reduces the set of mergers for which two …

We compare a merger between an inefficient public leader and an efficient follower with
unilateral privatization of the public leader (both eliminate the inefficiency of the leader). We …

This paper investigates the impact of product differentiation and of cost asymmetry on the
merger paradox using a Cournot framework. It finds that when all firms share the same costs …

We consider a simple Stackelberg model with demand uncertainty only for the first mover in
order to compare the advantages of leadership and flexibility, and use an example to …