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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Multiplier-accelerator model ： ウィキペディア英語版 Multiplier-accelerator model The multiplier–accelerator model (also known as Hansen–Samuelson model) is a macroeconomic model which analyzes the business cycle. This model was developed by Paul Samuelson, who credited Alvin Hansen for the inspiration.〔〔 This model is based on the Keynesian multiplier and the accelerator theory of investment. == Model == The multiplier–accelerator model can be stated as follows: :$Y\_\; =\; g\_\; +\; C\_\; +\; I\_$ :$C\_\; =\; \backslash alpha\; Y\_$ :$I\_\; =\; \backslash beta\; \backslash mid\; C\_\; -\; C\_\; \backslash mid$ :$g\_\; =\; 1$ where $Y\_$ is national income, $g\_$ is government expenditure, $C\_$ is consumption expenditure, $I\_$ is induced private investment, and the subscript $t$ is time. Here we can rearrange these equations and rewrite them as a second-order linear difference equation:〔 :$Y\_\; =\; 1\; +\; \backslash alpha\; (1+\; \backslash beta)Y\_\; -\; \backslash alpha\; \backslash beta\; Y\_$ Samuelson demonstrated that there are several kinds of solution path for national income to be derived from this second order linear difference equation.〔〔 This solution path changes its form, depending on the values of the roots of the equation or the relationships between the parameter $\backslash alpha$ and $\backslash beta$.〔〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Multiplier-accelerator model」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.