Suppose a 10 percent increase in the price of textbooks decreases the quantity demanded by 20 percent. The elasticity of demand for textbooks is

When demand increases, the equilibrium price ________ and the equilibrium quantity ________

A) rises; decreases B) falls; decreases C) rises; increases D) falls; increases

Depreciation refers to a decrease in the value of a good caused by

A) an increase in the price level. B) a decrease in the price level. C) "wear and tear" of capital goods over time. D) the depreciation allowance. E) a decrease in purchasing power.