type="main" <p>We show the effects of entry of a new firm on the profits and welfare when the firms share the same initial cost of production but differ in terms of the costs of undertaking R&D. Considering a Cournot oligopoly model with innovation and linear demand and production costs, we show...</p>

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We consider the effects of product and process patents on profits and welfare. In a duopoly model, we show that if the cost of imitation is not very large, prisoner's dilemma occurs under process patent, thus creating lower profit of each firm under process patent than under product patent....

It has been argued that a monopolist input supplier may find it profitable to create an outside source for its input if it reduces product price and attracts buyers ( , pp. 673-694). We consider a monopolist input supplier's incentive for outsourcing and R&D. We show that even if outsourcing can...

In this paper, we compare health outcomes in cities of different sizes. Using 2001 National Health Interview Survey data for adult urban-US population, it is shown that individual health is better in bigger cities compared to small or medium sized ones. This result holds after controlling for...

This paper proposes a class of decomposable poverty measures. It incorporates ideas of flexible minimum basic requirement norms, relative deprivation and the presence of public transfer systems. Public transfers oftentimes take the form of implicit transfers and are not usually reflected in the...

In this paper, we compare health outcomes in cities of different sizes. Using 2001 National Health Interview Survey data for adult urban-US population, it is shown that individual health is better in bigger cities compared to small or medium sized ones. This result holds after controlling for...

Widespread health disparities have been found between different races in the USA. The precise reasons for racial health disparities are not well understood although various factors have been proposed. Using diabetes related data from the NHANES III (1988-1994) of the USA, this paper shows that...

This paper proposes a class of decomposable poverty measures. It incorporates ideas of flexible minimum basic requirement norms, relative deprivation and the presence of public transfer systems. Public transfers oftentimes take the form of implicit transfers and are not usually reflected in the...