Explanation:
The law of variable proportions (or law of diminishing returns) states that as more units of a variable factor are applied to a fixed factor, after a point, the marginal product of the variable factor diminishes.
Explanation:
Tobin's q is the ratio of the market value of a firm's capital to the replacement cost of that capital. Investment is encouraged when q > 1 and discouraged when q < 1.
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