This paper evaluates the incentive of firms to vertically integrate in asimple 2X2 Bertrand model of two substitutes that are each comprised oftwo complementary components. It confirms that all prices fall as aresult of a vertical merger. Further, we find that, when the compositegoods are poor...

We examine the intersection of patents and antitrust where a patentholder uses the monopoly power it possesses in the market for a patentedproduct to exclude competitors in an adjacent market and attempt tomonopolize or monopolize the adjacent market. The present scheme forawarding patents...