Study on the public works project and its nature of public welfare -Case study on the government-owned land reclamation by drainage in Isahaya, Nagasaki prefecture.-

Abstract

The objects of this paper are as follows; first of all, the author tried to show the structure of public works project in Japan in terms of ‘nature of public welfare’ on the public policies. Because other studies have been evaluated in the point view of their needs and object traditionally until now, this paper is concentrated on the nature of public welfare in the public works project as an example of public policies. Second, this paper tried to reveal the contents and characteristics of ‘nature of public welfare’ by the way of a case study on the analysis of the government-owned land reclamation by drainage in Isahaya. The method of this study is as follows; first of all, the author deales in debates on the concept of ‘nature of public welfare’. And then, the author set the hypothesis of this study resulted from this. Hypothesis of this paper is to reveal in practice 4 aspects of nature of public welfare and to evaluate them, that is, procedural, in time, regional, and essential one.

Plot of this paper is consisted of five chapters. First of all, chapter 2 covers the concept of ‘nature of public welfare’ in the public works project as an example of governments’ public policies. And then, the author analyzes evaluated the structure and characteristics of public works project in Japan. Their practical procedure is as follows; once they are enrolled in laws, they have been changed in by the way of social needs and from time to time. Second, in chapter 3 the author analyzed the ‘nature of public welfare ‘ of them , concentrated on land reclamation by drainage in Isahaya, Nagasaki prefecture. This project was started in 1952 by prefectural governor of Nagasaki, its initial object was making a large rice field through land reclamation by drainage. In the meanwhile, its object was changed into prevention of natural disasters, and then its budget is enlarged about by double. Therefore, the author tried to show objects and cost/benefit analysis of this works . Next, in chapter 4 the author try to probe to have 4 characteristics of nature of public welfare, especially concentrated on 4 aspects of nature of public welfare by the way of case study in Isahaya. Finally, in chapter 5 the author concluded in demanding to reconsider the ‘nature of public welfare’ in the public works project in Japan through case study on the Isahaya.