In: Economics
1:
The demand for a product tends to be inelastic if
| a. | 
 it is expensive  | 
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| b. | 
 a small proportion of consumer's income is spent on the good  | 
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| c. | 
 consumers are quick to respond to price changes  | 
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| d. | 
 it has many substitutes  | 
2:
Two products are complements if the
| a. | 
 cross-price elasticity of demand is less than zero  | 
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| b. | 
 cross-price elasticity of demand equals zero  | 
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| c. | 
 cross-price elasticity of demand is greater than zero  | 
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| d. | 
 price elasticity of demand for each good is greater than zero  | 
3:
The law of diminishing returns
| a. | 
 deals specifically with the diminishing marginal product of fixed input factors  | 
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| b. | 
 states that the marginal product of a variable factor must eventually decline as increasingly more is employed  | 
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| c. | 
 can be derived deductively  | 
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| d. | 
 states that as the quantity of a variable input increases, with the quantities of all other factors being held constant, the resulting output must eventually diminish  | 
4:
The returns to scale characteristic of a production system
| a. | 
 is measured by the way in which inputs can be varied in an unbroken marginal fashion rather than incrementally  | 
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| b. | 
 illustrates the distinct, or "lumpy," pattern of input combination  | 
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| c. | 
 shows the relation between output and the variation in all inputs  | 
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| d. | 
 is the relation between output and variation in only one of the inputs employed  | 
5:
The marginal product concept is
| a. | 
 used to describe the relation between output and variation in all inputs in a production function  | 
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| b. | 
 the change in output associated with a one-unit change in an individual factor  | 
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| c. | 
 total product divided by the number input units employed  | 
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| d. | 
 the complete output from a production system  | 
6:
Total product divided by the number of units of variable input employed equals
| a. | 
 average product  | 
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| b. | 
 marginal revenue product  | 
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| c. | 
 returns to scale  | 
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| d. | 
 marginal product  |