The focus of this paper is on the consequences of asymmetric spillovers on the strategic investments in an oligopoly with leaders and followers. Both in the investment and output game, leaders move before the followers. Spillovers may occur between leaders and between followers and from leaders...

In this paper, two pairs of complementors have to decide whether to merge and eventually bundle their products. Depending on the degree of competitive pressure in the market, either both pairs decide to merge (with or without bundling), or only one pair merges and bundles, while rivals remain...