At a recent company meeting, Ravi Batra, sales manager of Life's a Beach, a surfboard producer announced, "We have increased our sales by 13 percent in just 9 months

Which of the following theories favor(s) a simple money growth rate rule?

a. real business cycle theory b. The monetarist theory c. new classical theory d. All of the above e. None of the above

Economists have found that the price elasticity of demand for water is higher in the summer than in the winter. Why is this likely to be so?

A. Summer is longer than winter, and price elasticity is higher over longer time horizons. B. People take more vacations in the summer and so use less water at home. C. Winter water use tends to be for necessities such as cleaning and cooking, and summer water use tends to be for both necessities and non-necessities such as gardening and recreation. D. Winter is longer than summer, and price elasticity is lower over longer time horizons.