When prices are predetermined, the level of output that equals aggregate expenditure is called ________ output.

The study of development economics is to understand

A) the personality factors that lead people to become entrepreneurs. B) why most of the patents on record have been given to men rather than to women. C) why some countries are rich and others are poor. D) why some products are successful in the market as soon as they are developed, whereas others do not catch on for years.

A bond's internal rate of return is also known as its:

A. coupon. B. payback period. C. duration. D. yield to maturity.