Until recently, the care services for disabled persons have been under rigid control by public sectors in terms of provision and funding in Japan. A reform was introduced in 2003 that brought a rapid increase of utilization of services and serious shortage of financial resources. Under these...

Employing the generalized entropy introduced by Tsallis, we propose a new method to estimate the scaling index of the stable Lèvy distribution. We investigate the scaling behavior of the daily Nikkei average sampled from January 1991 to December 2000 for the time intervals up to 75 days from...

This research analyzes the influence of dispersion of valuations on financial markets, taking several aspects of real financial market into consideration (such as financial constraints, investment strategies and so on). As a result of intensive experiments in the market, we made the following...

In this paper, we use Agent-Based Approach to analyze how asset prices are affected by investors and investment systems that are based on Behavioral Finance. We build a virtual financial market that contains two types of investors: fundamentalists and non-fundamentalists. As a result of...

Objectives Japan enacted the elder abuse law in April 2006. The present study was aimed to examine the progress of systems development and difficulties with implementing activities in municipal governments for dealing with elder abuse after the law.Methods Between 11 and 22 December 2006 a paper...

We discuss limiting behaviors of multi-dimensional diffusion processes in new types of random environments. The environments we treat are: (1) d independent non-negative-reflected Brownian environments and (2) d independent non-positive-reflected Brownian environments. Their behaviors are quite...