| Project/Area Number |
25590066
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Public finance/Public economy
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| Research Institution | Kwansei Gakuin University |
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Principal Investigator |
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| Project Period (FY) |
2013-04-01 – 2016-03-31
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| Project Status |
Completed (Fiscal Year 2015)
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| Budget Amount *help |
¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2014: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2013: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
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| Keywords | 地方財政論 / 公共インフラ / 水道インフラ / 更新投資 / 財政の持続可能性 / 人口減少 / 震災復興 / 地方公営企業 / 老朽化インフラ / 水道事業 / 復興まちづくり / 公共インフラの維持管理 / 自治体財政 / 人口減少社会 |
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| Outline of Final Research Achievements |
In this study, we estimated the amount of renewal investment of public infrastructure with aging under the population decline and analyzed the impact on local government finances. We estimated the renewal investment in water infrastructure of Nishiwaki city, Hyogo Prefecture as a case study and explored the sustainability of the water service finance which is operated as a local public utility.
Calculated in the next 50 years, it was predicted that in order to maintain the present infrastructure level, the investment which is three times as the current scale is necessary every year, and financial resources would be depleted within several years under current water rates. The local cities across the country are also placed in a similar situation. It is suggested to review service levels and water rates, the possibility of facility consolidation or so, as soon as possible.
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