Open market sales ________ reserves and the monetary base thereby ________ the money supply

Variance is a measure of ________ and the higher the variance, ________

A) expected profit; the greater the profit B) risk; the greater the risk C) standard deviation; greater the standard deviation D) risk; the lower the risk

Suppose that in 2009, private investment spending was $500 billion, government investment was $300 billion, and depreciation was $250 billion. How much did the capital stock increase in 2009 (assume there were no other changes that affect the capital stock)?

a. $300 billion b. $500 billion c. $550 billion d. $800 billion e. $1.05 trillion