When a man invests in controlling weeds and trash that tend to accumulate in his yard, both he and his neighbors benefit from his action
Is an externality associated with his private decision? If so, explain its effect, and determine whether the efficient level of weed control occurs when the individual invests in weed control.
When a man invests in weed and trash control and his neighbors benefit, but do not contribute to the effort, then too little investment will be made. The level of investment (weed and trash control) will be determined where his demand (marginal private benefit curve) intersects his marginal cost of control curve. Call this level of control q1. Since others benefit, there is a positive externality which means that the efficient level of weed and trash control q2 is above the actual level.
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To an economist, theory can be thought of as
A. abstraction for the sake of argument. B. one person’s opinion, which is just as good as another’s. C. another term for the description of a situation. D. beliefs that cannot necessarily be verified. E. explanation of mechanisms behind observed phenomena.
The market value of a particular bond at any given point in time is called the bond's:
A. principal B. coupon rate. C. term. D. price
When firms in an industry reach an agreement to fix prices, divide up market share, or otherwise restrict competition, they are practicing the strategy of
A. price leadership. B. collusion. C. interindustry competition. D. limit pricing.
Refer to Table 11-1. Diminishing marginal returns sets in when the ________ worker is hired
A) 2nd B) 3rd C) 4th D) None of the above; the production function displays increasing marginal returns.