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| スラツキー方程式× | 仮想評価法× | |
|---|---|---|
| 分野 | 経済学 | 経済学 |
| 系統≠ | Regression model | Process / pipeline |
| 提唱年≠ | 1915 | 1963 |
| 提唱者≠ | Eugen Slutsky | Robert Davis |
| 種類≠ | Demand decomposition identity | Stated preference valuation method |
| 原典≠ | Slutsky, E. E. (1915). On the Theory of the Budget of the Consumer. In G. J. Stigler & K. E. Boulding (Eds.), Readings in Price Theory, 27–56. link ↗ | Mitchell, R. C., & Carson, R. T. (1989). Using Surveys to Value Public Goods: The Contingent Valuation Method. Resources for the Future. link ↗ |
| 別名≠ | Slutsky Decomposition, Income and Substitution Effects | CVM, Willingness-to-Pay Survey, WTP Elicitation |
| 関連≠ | 2 | 3 |
| 概要≠ | The Slutsky equation, derived by Russian economist Eugen Slutsky in 1915, is a fundamental identity in microeconomics that decomposes the total change in demand for a good into two effects: the substitution effect and the income effect. Formalizing John Hicks' later interpretation, it provides the mathematical foundation for understanding consumer response to price changes and for distinguishing welfare-relevant demand responses. | Contingent Valuation (CVM), developed by Robert Davis in the 1960s, is a survey-based method for estimating the economic value of non-market environmental goods and services—such as wilderness preservation, air quality, or species protection—by directly asking people their willingness to pay (WTP) for specified improvements or willingness to accept (WTA) compensation for losses. It provides a valuation where market prices do not exist. |
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