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Perfect substitutes have a linear utility function and a constant marginal rate of substitution, see figure 3. [7] If goods X and Y are perfect substitutes, any different consumption bundle will result in the consumer obtaining the same utility level for all the points on the indifference curve (utility function). [8]
The perfect substitute inputs do not experience decreasing marginal rates of return when they are substituted for each other in the production function. If the two inputs are perfect complements, the isoquant map takes the form of fig. B; with a level of production Q3, input X and input Y can only be combined efficiently in the certain ratio ...
This tends to be the case if there are sufficiently strong aggregate increasing returns to scale and/or the demand curves for the firms' products have a sufficiently low own-price elasticity. On the other hand, the production decisions are strategic substitutes if an increase in one firm's output decreases the marginal revenues of the others ...
For two goods, fuel and new cars (consists of fuel consumption), are complements; that is, one is used with the other. In these cases the cross elasticity of demand will be negative, as shown by the decrease in demand for cars when the price for fuel will rise. In the case of perfect substitutes, the cross elasticity of demand is equal to ...
When an increase in output by one firm raises the marginal revenues of the other firms, production decisions are strategic complements. When an increase in output by one firm lowers the marginal revenues of the other firms, production decisions are strategic substitutes. A supermodular utility function is often related to complementary goods ...
One result of those slack prices is that U.S. average pump prices for gasoline fell to $3.03 a gallon this week, the lowest since May, 2021 and well down from their record peak of $5.02 from June ...
Constant elasticity of substitution (CES) is a common specification of many production functions and utility functions in neoclassical economics.CES holds that the ability to substitute one input factor with another (for example labour with capital) to maintain the same level of production stays constant over different production levels.
U.S. gasoline prices rose earlier this month but are falling again after West Coast refinery outages subsided and seasonal demand fell. President Joe Biden plans to sell the last portion of a ...