We present a dynamic model where the accumulation of patents generates an increasing number of claims on sequential innovation. We study the equilibrium innovation activity under three regimes: patents, no-patents and patent pools. Patent pools increase the probability of innovation with respect...

We study competitive interaction between profit-maximizing firms that sell software and complementary goods or services. In addition to tactical price competition, we allow firms to compete through business model reconfigurations. We consider three business models: the proprietary model (where...

We study whether complementarities can help a firm enter a market with strong network effects and incumbency advantages. We find that bundling the network good with a complementary good, or using the network good as a loss leader (i.e., pricing below marginal cost) can facilitate entry, but that...