It is usually believed that innovation increases profits of the firms and alsosocial welfare. In a duopoly model with product innovation, we show that both thesebelieve may go wrong. We show that if the cost of innovation is not very large,prisoner’s dilemma occurs under product innovation,...

Taking technological differences between firms as given, we show that the technologically advanced firm has a stronger incentive for technology licensing under a decentralized unionization structure than with centralized wage setting. Furthermore, We show that, in presence of licensing, the...