In mid-2009, publicly held debt was approaching ______ and total debt was approaching ______

The saving-investment analysis for large open economies is somewhat more complicated than the analysis for small open economies mainly because ________

A) there is more information to keep track of for larger economies B) there are more unknowns in larger economies C) a larger economy may actually affect the world economy D) all of the above E) none of the above

Why does the Fed have imperfect control over the money supply over short periods?

a. Because of unpredictable changes in reserve requirements b. Because the public responds to open market operations in unpredictable fashions c. Because the Fed does not know how much reserves will change when it buys or sells securities d. Because of unpredictable changes in public desire to hold cash and banks' desires to hold reserves