d) neither an income nor a substitution effect.
5. Ottilie's hourly wage increases from N$ l 00 to N$ l 50 per hour as a result of promotion.
Which of the following is INCORRECT?
a) Her utility increases.
b) She increases her hours of work, if the income effect is more dominant.
c) She increases her hours of work, if the substitution effect is more dominant.
d) She decreases her hours of work, if the income effect is more dominant.
6. The firm's labour demand curve in the short run
a) is upward sloping.
b) is the downward-sloping segment of the value of the marginal product curve.
c) is the downward-sloping segment of the marginal product of labour curve.
d) is vertical.
7. In the long run, the profit-maximising firm will select labour and capital so that
a) labour quantity equals capital quantity.
b) the wage per unit oflabour equals the rental cost of a unit of capital.
c) marginal product of labour equals marginal product of capital.
d) marginal product divided by wage per unit of labour equals marginal product of capital
divided by rental cost per unit of capital
8. Use the information from the following table to answer :
Firm A
Wage (W)
Rent (R)
Labour (E)
Output= 100
200
200
100
Output= 100
150
200
120
FirmB
Wage (W)
Rent (R)
Labour (E)
Output= 100
200
200
100
Output= 100
150
200
150
Capital (K)
150
120
Capital (K)
150
100
Which of the following statements is/are correct?
I. The elasticity of substitution of firm A equals 1.33.
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