What are the advantages and disadvantages of currency boards and dollarization over a monetary policy that uses only an exchange-rate target?
a. If the Federal Reserve purchases the foreign assets with $\$ 1,000,000$ in currency, show the effect of this open market operation, using T-accounts. What happens to the monetary base?
b. If the Federal Reserve purchases the foreign assets by selling $\$ 1,000,000$ in T-bills, show the effect of this open market operation, using T-accounts. What happens to the monetary base?