A monopoly, unlike a perfectly competitive firm, has some market power. Thus, it can raise its price, within limits, without quantity demanded to fall to zero. The main way monopolies retain their market power is through barriers to entry, which prevent other companies from entering monopolized markets and competing for customers. Consider the market for taxi services. In order to own and operate a taxi, drivers are required to obtain a taxi medallion. Which of the following best explains the barriers to entry that exist in this scenario?
a. Legal barriers
b. Control over an important input
c. Increasing returns to scale

The federal reserve's organization while all members of the federal reserve board of governors vote at federal open market committee (fomc) meetings, only of the regional bank presidents are members of the fomc. the federal reserve's role as a lender of last resort involves lending to which of the following financially troubled institutions? u.s. banks that cannot borrow elsewhere governments in developing countries during currency crises u.s. state governments when they run short on tax revenues the federal reserve's primary tool for changing the money supply is . in order to decrease the number of dollars in the u.s. economy (the money supply), the federal reserve will government bonds.

Alarge tank is filled to capacity with 500 gallons of pure water. brine containing 2 pounds of salt per gallon is pumped into the tank at a rate of 5 gal/min. the well-mixed solution is pumped out at the same rate. find the number a(t) of pounds of salt in the tank at time t.

Harry is 25 years old with a 1.55 rating factor for his auto insurance. if his annual base premium is $1,012, what is his total premium? $1,568.60 $2,530 $1,582.55 $1,842.25