Explain the theory that education acts as a signaling device. How does this contrast with the theory of education as an investment in human capital?
The theory of signaling suggests that those who have desirable "productivity" characteristics are more likely to finish educational programs. The human capital theory suggests that productivity characteristics are enhanced by the learning that takes place in formal educational programs.
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In the above figure, if we begin at S1 and the Fed sells bonds
A) the price of bonds rises, and so does the interest rate. B) the price of bonds falls, and the interest rate rises. C) the price of bonds rises, and the interest rate falls. D) the price of bonds falls, and so does the interest rate.
Under perfect competition, if an industry is characterized by positive economic profits in the short run
a. firms will leave the market in the long run and the short-run supply curve will shift outward. b. firms will enter the market in the long run and the short-run supply curve will shift outward. c. firms will enter the market in the long run and the short-run supply curve will shift inward. d. firms will leave the market in the long run and the short-run supply curve will shift inward.