In 2008, interest rates on Treasury securities fell even though most other interest rates were rising

The above figure shows the market for pizza. Which figure shows the effect of a decrease in the price of a hamburger, which for consumers is a substitute for pizza?

A) Figure A B) Figure B C) Figure D D) Figures B and C

Which of the following statements is (are) correct? Keynesians criticize the new classical theory because

a. the new classical model cannot explain changes in expectations. b. of the contracting market characterization of the labor market. c. the rational expectations assumption ascribes an extreme and unrealistic availability of information to market participants. d. All of the above