24. What limits a central bank in sustaining an upward peg of its domestic currency? (a) The amount of foreign currency reseryes the central bank holds. (b) Its ability to sterilize the intervention, so as to make it effective. (c) Some other factor, than A or B. (d) None of the above. An upward peg can be sustained indefinitely, if deflation is of no concern. 25. How does a currency board grow its balance sheet? (a) By printing domestic currency and using this to buy foreign currency reserves. (b) By printing domestic currency and using this to buy domestic credit assets. (c) Both A and B can be used by a currency board to grow its balance sheet. (d) None of the above options will grow the balance sheet of a currency board. 26. According to the sources cited in class, what is the approximate daily volume of worldwide currency trading? (a) $7.5 billion. (b) $75 billion. (c) $7.5 trillion. (d) $75 trillion