We consider the research and development (R&D) investment com petition of duopolistic firms in completely complementary technologies. By "completely complementary technologies," we mean that no firm can produce the goods without both of the technologies. We derive the investments competition...

We consider research and development (R&D) investment competition between duopolistic firms that independently invest in two complementary technologies to produce their products. By "partially complementary technologies", we mean that each firm can produce the goods without both technologies but...

This paper examines how parallel importation influences pharmaceutical innovation and the welfare of the economy, when crossnational drug price differentials occur not only because of demand elasticity based factors, but also governmental drug price control based factors. By explicitly...

This paper provides a simple model that examines a firmfs incentive to invest in a network infrastructure through coalition formation in an open access environment with a deregulated retail market. A regulator faces a dilemma between inducing an incentive for efficient investment and reducing...

We formulate a three-stage game in which a Japanese firm as a generalized labor-managed firm and an American firm as a profit-maximizing firm compete in the homogeneous product market. In the first stage of the game, both the firms decide whether they enter the market or not. In the second...

According to Bordo and James [2008, “A long term perspective on the Euro, ” NBER Working Paper, No. 13815], history shows that multinational monetary unions have dissolved mainly under the consequences of external shocks. This paper provides a theoretical model demonstrating their point.

The purpose of this article is to demonstrate that Edgeworth’s Mathematical Psychics (1881) has been influenced by various intellectual contemporaries through the ‘Sidgwick-Barratt Controversy’. Under the influence of Barratt, Edgeworth admitted the physical methods of ethics; which is...

This paper looks into potential determinants of the mode of international competition in a polluting good market by analyzing a strategic interaction between two environmentally concerned governments. From the equilibrium outcomes of our game based on an international duopoly model with...