Question 1  In a perfectly competitive market, positive economic profits act to Answer PRIVATE "" MACROBUTTON HTMLDirect a.attract new entrants into the industry. PRIVATE "" MACROBUTTON HTMLDirect b.drive potential competitors away from the industry. PRIVATE "" MACROBUTTON HTMLDirect c.prevent reinvestment on the part of firms within the industry. PRIVATE "" MACROBUTTON HTMLDirect d.signal resource owners elsewhere not to invest their capital in this industry. 5 points   PRIVATE "" MACROBUTTON HTMLDirect Question 2  Which is always true at a firm's profit-maximizing rate of production? Answer PRIVATE "" MACROBUTTON HTMLDirect a.Marginal Revenue > Marginal Cost PRIVATE "" MACROBUTTON HTMLDirect b.The total revenue curve lies below the total cost curve. PRIVATE "" MACROBUTTON HTMLDirect c.Marginal Revenue = Marginal Cost PRIVATE "" MACROBUTTON HTMLDirect d.Total Revenue = Total Costs 5 points   PRIVATE "" MACROBUTTON HTMLDirect Question 3  For a firm in a perfectly competitive industry, Answer PRIVATE "" MACROBUTTON HTMLDirect a.short-run economic profits may be positive, but long-run economic profits must be zero. PRIVATE "
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