The investment demand curve as a function of various possible interest rates for the entire economy is assumed to be:

A 10 percent increase in income increases the quantity of orange juice demanded from 19,200 to 20,800 gallons. The income elasticity of demand for orange juice is

A) 0.5. B) 0.8. C) 1.0. D) 1.2.

The downfall of the fooling model is that it assumes an implausibly ________ level of perception about price on the part of ________

A) high, firms B) high, workers C) low, firms D) low, workers