Economics 2150A/B Study Guide - Final Guide: Budget Constraint, Isoquant, Engel Curve

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ECON 2150A/B Full Course Notes

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London canada: stirling economics 2150a 003 november, 2012. Diminishing marginal returns occur when the total product function is decreasing. increasing at a decreasing rate. increasing at a constant rate. increasing at an increasing rate. decreasing at an increasing rate. If capital cannot easily be substituted for labour, then the elasticity of substitution is. Suppose over time that a firm"s production process undergoes capital-saving technological progress. With a linear production function, the mrtsl,k declines as the firm substitutes labour for capital. is diminishing. implies upward-sloping, straight-line isoquants. is undefined. remains constant as the firm substitutes labour for capital. The good would not enter the utility function. The income effect works in the opposite direction to the substitution effect. There is only a substitution effect from a price change. We can infer that the consumer"s income elasticity for good good. Version 111: identify the truthfulness of the following statements.

Related Questions

Diminishing marginal returns means that as you combine more units of a variable resource with a set of fixed resources:

a. the marginal physical product of the variable input decreases.

b. the average physical product of the fixed inputs increases at an increasing rate.

c. the marginal physical product of the variable input increases at a decreasing rate.

d. the total output decreases.

e. the marginal physical product of the variable input increases at a constant rate.

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1. The slope of the total product curve measures

a. the marginal rate of technical substitution.

b. marginal product.

c. average product.

d. the maximum average product.

e. minimum product.

2. The Law of Diminishing Returns to a variable input (such as labor) assumes that

a. there is at least one fixed input.

b. all inputs are changed by the same percentage.

c. the firm is operating in the short run.

d. all inputs are held constant.

e. a and c.

3. An isoquant curve identifies

a. the maximum output possible, given a fixed budget.

b. the different combinations of goods the can be produced, given fixed amounts of inputs.

c. the different combinations of inputs that can be used to produce a fixed rate of output.

d. none of the above.

4. The ratio of total productivity to the total quantity of a variable input being used in production is

a. equal to marginal physical productivity of the input.

b. constant as employment levels of the input vary.

c. equal to average physical productivity of the input.

d. equal to the marginal rate of technical substitution.

The law of eventually diminishing marginal returns: (Points : 1)

a. states that each and every increase in the amount of the variable factor employed in the production process will yield diminishing marginal returns.
b. is a mathematical theorem that can be logically proved or disproved
c. is the rate at which one input may be substituted for another input in the production process
d. None of the above

The marginal product is defined as: (Points : 1)

a. the ratio of total output to the amount of the variable input used in producing the output
b. the incremental change in total output that can be produced by the use of one more unit of the variable input in the production process
c. the percentage change in output resulting from a given percentage change in the amount of the variable input X employed in the production process with Y
d. None of the above

The rate at which one input X may be substituted for another input Y in a production process, while total output remains constant, is: (Points : 1)

a. the slope of the isoquant curve
b. the marginal rate of technical substitution

c. equal to MPx/MPy

d. all of the above
e. none of the above

Marginal revenue product is: (Points : 1)

a. defined as the amount that an additional unit of the variable input adds to the total revenue
b. equal to the marginal factor cost of the variable factor times the marginal revenue resulting from the increase in output obtained
c. equal to the marginal product of the variable factor times the marginal product resulting from the increase in output obtained
d. a and b
e. a and c

Marginal factor cost is defined as the amount that an additional unit of the variable unit of the variable input adds to ____________. (Points : 1)

a. marginal cost
b. variable cost
c. marginal rate of technical substitution
d. total cost
e. none of the above

In the Cobb-Douglas production function Q=aL^?1.K^?2 ______________. (Points : 1)

a. the marginal product of labor (L) is equal to ?1
b. the average product of labor (L) is equal to ?2
c. if the amount of labor input (L) is increased by 1 percent, then output will increase by ?1 percent
d. a and b
e. a and c