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The Incremental Capital-Output Ratio (ICOR) is the ratio of investment to growth which is equal to the reciprocal of the marginal product of capital. The higher the ICOR, the lower the productivity of capital or the marginal efficiency of capital. The ICOR can be thought of as a measure of the inefficiency with which capital is used. In most ...
Otherwise, if the cost of capital is higher, the firm will be losing profit when adding extra units of physical capital. [3] This concept equals the reciprocal of the incremental capital-output ratio. Mathematically, it is the partial derivative of the production function with respect to capital.
In summation, the savings rate times the marginal product of capital minus the depreciation rate equals the output growth rate. Increasing the savings rate, increasing the marginal product of capital, or decreasing the depreciation rate will increase the growth rate of output; these are the means to achieve growth in the Harrod–Domar model.
If capital's share in output is 1 ⁄ 3, then labor's share is 2 ⁄ 3 (assuming these are the only two factors of production). This means that the portion of growth in output which is due to changes in factors is .06×(1 ⁄ 3)+.01×(2 ⁄ 3)=.027 or 2.7%. This means that there is still 0.3% of the growth in output that cannot be accounted for.
Therefore, at the equilibrium, the capital/output ratio depends only on the saving, growth, and depreciation rates. This is the Solow–Swan model's version of the golden rule saving rate . Since α < 1 {\displaystyle {\alpha }<1} , at any time t {\displaystyle t} the marginal product of capital K ( t ) {\displaystyle K(t)} in the Solow–Swan ...
The desired stock of capital goods is determined by such variables as the expected profit rate, the expected level of output, the interest rate (the cost of finance), and technology. Because the expected level of output plays a role, this model exhibits behavior described by the accelerator effect but less extreme than that of the simple ...
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Incremental capital-output ratio; Input, Control, Output, Resources, a standard model for the definition of processes related to IDEF0; Instant centre of rotation; International Coordination of Revolutionary Parties and Organizations, an association of communist organizations; UAB ICOR, companies group in Lithuania