There　is　a　significant　rise　of　number　of　Taiwanese　tourists　to　visit　Hokkaido　in recent　years, and　they　have　been　gradually　regarded　as　important　customer　sources by the local...

The present paper investigates the possibility of domination of mediate matching over independent search. It is shown to be difficult although not impossible. The domination can happen in the case of binary utility, which is consistent with the data and history that mediated match has been...

The classical binary knapsack problem has numerous generalisations in relation to not only a capacity constraint but also an objective function. In 2006, two knapsack problems have coincidentally been proposed, both of which have an extension of the objective function paying the penalty. This...

As part of the Trinity Reform, the Japanese Ministry of Internal Affairs and Communication (MIC) established the Administrative Reform Incentive Assessment (ARIA) program under the local allocation tax (LAT) system during the fiscal year of 2005. This program was aimed at motivating local...

In a modified version of the Gravity Model, appropriate dummy variables have been introduced to analyze the effects of both trade creation and trade diversion by the three economic organizations of the EEC (European Economic Community), the LAFTA (Latin American Free Trade Association) and the...

In this paper, we first develop a model of an international oligopolistic Cournot industry in which firms trade core goods and their incompatible accessories. We then examine some issues concerned with dumping. We find that such firms set the core goods price below cost (below-cost dumping,...

In Japan, the public health insurance system consists of several health insurance plans, and equal benefit levels as well as fair burden-sharing of costs among plans are considered important under the universal system. This paper deals with health insurance reforms, which are divided into two...