A Welfare Analysis of Global Patent Protection in a Model with Endogenous Innovation and Foreign Direct Investment

This paper constructs a North-South quality-ladder model in which foreign direct investment (FDI) is determined by the endogenous location choice of firms, and examines analytically how strengthening patent protection in the South affects welfare in the South. Strengthening patent protection increases the Southfs welfare by enhancing innovation and FDI, but it also allows the firms with patents to charge higher prices for their goods, which decreases welfare. However, the model shows that the former positive welfare effect outweighs the latter negative effect. Moreover, introducing the strictest form of patent protection in the South, that is, harmonizing patent protection in the South with that in the North, may maximize welfare in the South as well as in the North. Further, a similar result can also be obtained in a nonscale effect model.foreign direct investment, innovation, intellectual property rights protection, welfare analysis

Dynamic Analysis of Innovation and International Transfer of Technology through Licensing

This paper develops a quality-ladder type dynamic general equilibrium model with endogenous innovation and technology licensing as a major source of international technology transfer in developing countries. Examining the dynamic characteristics of the model fully, we explore the short- and long-run effects of both an improvement in the probability of reaching a licensing agreement with a given effort and an increase in the license fee rate. The model shows that the former promotes innovation and technology transfers in both the long and short run, while the latter discourages them.Innovation; Licensing; Technology transfer

Innovation, Licensing, and Imitation: The Effects of Intellectual Property Rights Protection and Industrial Policy

This paper examines the long-run effects of intellectual property rights (IPR) protection and industrial policies on innovation and technology transfer using a North-South quality ladder model where licensing is the main mode of technology transfer to developing countries. We show that the governments of developing countries can promote innovation and technology transfer by strengthening IPR protection, which is enforced by restricting the imitation of products. Moreover, the results also imply that subsidies on the cost of license negotiation can promote innovation and technology transfer, whereas subsidies on the cost of R&D have no effect.Licensing; Imitation; Innovation; Intellectual property rights;

Development of active icosahedron and its application to virtual clay modeling

We have developed an active link mechanism for physical man-machine interaction. We report an active icosahedron consisting of intelligent cylinders and its application to virtual clay modeling. Intelligent pneumatic cylinders are newly developed to realize active link mechanisms. This cylinder aims at a novel cylinder in which various sensors and control devices are built. Active link mechanisms are highly integrated and enhanced by intelligent cylinders. A control system is built for the active icosahedron. In the control system, a key element is a control program implementing drawing of a virtual model on display and controlling of active links. Virtual clays are deformed by the program based on the apex positions converted from cylinder lengths. The active icosahedron realized dynamic interaction with virtual objects in PC, showing the potential of the devices as a haptic interface.</p

Magnetic relaxation in the 110 K superconducting phase in Bi-Sr-Ca-Cu-O thin films

We have investigated the time dependence of remnant moment decay in a highly oriented, nearly single high T(sub c) phase Bi-Sr-Ca-Cu-O thin film. A strictly logarithmic time dependence was observed over a 20 K temperature range for observation intervals of 2000 seconds. The normalized decay rate exhibits a peak around 14 K and has a relatively weak magnetic field dependence. These data are then compared with existing data on the YBCO and Eu-based superconductors

Potential problems in visual servo

Stability of feature-based visual servo controllers proposed so far is local. The initial features far from the reference may converge to features different from the reference or even worse they may not converge. In this paper, stability of feature-based visual servo is considered by using potential. The stable region is visualized and artificial potential switching is proposed to extend the stable region</p