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NAMA : KAPRISIUS GUSPRI ADITYA NIM : A011181502 Chapter 14 QUESTION FOR REVIEW 1. Why is a firm’s demand for labor curve more inelastic when the firm has monopoly power in the output market than when the firm is producing competitively? The firm’s demand curve for labor is determined by the incremental revenue from hiring an additional unit of labor known as the marginal revenue product of labor: MRP L = ( MP L )( MR ), the additional output (“product”) that the last worker produced, times the additional revenue earned by selling that output. In a competitive industry, the marginal revenue curve is perfectly elastic and equal to price. For a monopolist, marginal revenue is downward sloping. As more labor is hired and more output is produced, the monopolist will charge a lower price and marginal revenue will diminish. All else the same, marginal revenue product will be smaller for the monopolist. This implies that the marginal revenue product for the monopolist is more inelastic than for the competitive firm. 3. How is a computer company’s demand for computer programmers a derived demand? A computer company’s demand for inputs, including programmers, depends on how many computers it sells. The firm’s demand for programming labor depends on (is derived from) the demand it faces in its market for computers. As demand for computers shifts, the demand for programmers shifts. 5. Rock musicians sometimes earn over $1 million per year. Can you explain such large incomes in terms of economic rent? Economic rent is the difference between the actual payment to the factor of production and the minimum amount that the factor is willing to accept. In this case, you might assume that there are a limited number of top-quality rock musicians who will continue to play rock music no matter what they are paid. This results in a perfectly inelastic supply curve, or something close to it. Given the high demand for rock music, the wage will be very high and there will be a lot of economic rent. If there was a larger supply of top-quality rock musicians, or a more elastic supply, then the economic rent would be smaller.
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7. For a monopsonist, what is the relationship between the supply of an input and the marginal expenditure on it? The decision to increase employment means the monopsonist must pay all units the higher price, and not just the last unit hired. Therefore, its marginal expenditure curve lies above the input supply curve (the average expenditure curve). Hiring more labor will increase the marginal expenditure, which will increase the average expenditure. If the average expenditure is increasing, then the marginal expenditure must be greater than the average expenditure. 9. The government wants to encourage individuals on welfare to become employed. It is considering two possible incentive programs for firms.
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