Significant amount of vertical technology transfer occurs betweendeveloped and developing country firms, yet the literature on intellectual propertyrights did not pay much attention to this aspect...

Considering Cournot competition, this note shows that, if the firms differ inlabor productivities, the equilibrium wage rates under a centralized labor union are notindependent of the number of firms and product differentiation if the labor unioncharges a uniform wage rate. However, if the...

We show the incentive for divisionalization by a monopolist producer. Incontrast to the previous literature, where divisionalization occurs for product marketadvantage, we show that divisionalization occurs if it provides strategic advantage inthe labor market. With unionized labor market, we...

An important discussion in recent years is the introduction of product patentsand the abolition of process patents. In a model with endogenous number of innovatingfirms, we show that whether product patent increases R&D is ambiguous, and depends onthe type of market demand and the cost of R&D....

We show that if patent protection and trade secrecy generate asymmetricmarket structure, an innovator may prefer patent protection than trade secrecy even ifthe diffusion probability is higher under the former but it increases marketconcentration by preventing some imitators...