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- Die Investitionsfunktion ist ein Begriff aus der Volkswirtschaftslehre und beschreibt die makroökonomischen Einflüsse des Zinses (klassische Investitionsfunktion) oder der Nachfrage (keynesianische Investitionsfunktion) auf die gesamtwirtschaftlichen Investitionen. (de)
- The investment function is a summary of the variables that influence the levels of aggregate investments. It can be formalized as follows: I=f(r,ΔY,q) - + + where r is the real interest rate, Y the GDP and q is Tobin's q. The signs under the variables simply tell us if the variable influences investment in a positive or negative way (for instance, if real interest rates were to rise, investments would correspondingly fall). The reason for investment being inversely related to the Interest rate is simply because the interest rate is a measure of the opportunity cost of those resources. If the resources instead of financing the investment could be invested in financial assets, there is an opportunity cost of (1+r), where r is the interest rate. This implies higher investment spending with a lower interest rate. When GDP increases, the output and the capacity utilization increases. This results in an increase of capital investment. At last, a higher Tobins q is represented when the market puts a high value of the installed capital and buys stocks in the firm for a higher price. The firm can then raise more resources per share issued and increase their investments. (en)
- 投資関数（とうしかんすう）は、経済学の概念の一つ。利子率と投資水準の関数。一般的に、投資は利子率のとみなして分析する。
* 利子率が下がれば、投資する額が上がる
* 利子率が上がれば、投資する額は下がる (ja)
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- 1529 (xsd:nonNegativeInteger)
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- Die Investitionsfunktion ist ein Begriff aus der Volkswirtschaftslehre und beschreibt die makroökonomischen Einflüsse des Zinses (klassische Investitionsfunktion) oder der Nachfrage (keynesianische Investitionsfunktion) auf die gesamtwirtschaftlichen Investitionen. (de)
- 投資関数（とうしかんすう）は、経済学の概念の一つ。利子率と投資水準の関数。一般的に、投資は利子率のとみなして分析する。
* 利子率が下がれば、投資する額が上がる
* 利子率が上がれば、投資する額は下がる (ja)
- The investment function is a summary of the variables that influence the levels of aggregate investments. It can be formalized as follows: I=f(r,ΔY,q) - + + where r is the real interest rate, Y the GDP and q is Tobin's q. The signs under the variables simply tell us if the variable influences investment in a positive or negative way (for instance, if real interest rates were to rise, investments would correspondingly fall). (en)
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- Investitionsfunktion (de)
- Investment function (en)
- 投資関数 (ja)
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