We show that a monopolist input supplier licenses its technology to create a second source of input supply if second sourcing increases competition in the final goods market. We also show that welfare increases under second sourcing...

In a vertically separated industry, where the input suppliers have significantmarket power, not only entry but also the markets (upstream or downstream) withentry possibilities might be a concern to the policy makers. While ‘entry in thedownstream market only’ always increases welfare,...

The literature on technology licensing has ignored the importance ofmarket power of the input supplier. In this paper we examine the incentive forlicensing in the downstream industry when the firms in the upstream industry havemarket power. We show that licensing in the downstream industry is...

In a successive Cournot oligopoly, we show the welfare effects of entry inthe final goods market with no scale economies but with cost difference between thefirms. If the input market is very concentrated, entry in the final goods market alwaysincreases welfare. If the input market is moderately...