If Ringo is risk averse, at a wealth of $200,000 his utility of wealth curve has a ________ slope and his marginal utility of wealth is ________ than at a wealth of $100,000

The negative relation between investment spending and the interest rate is what gives the ________ curve its ________ slope

A) IS; upward B) IS; downward C) LM; downward D) LM; upward

In one year, a weapons plant can manufacture either 1,000 more guns or 50 more tanks. The plant's opportunity cost of an extra gun is approximately

a. 50 tanks b. 20 guns c. 20 tanks d. 1/20 of a tank e. 1/50 of a tank