Two identical countries, Alpha and Beta, can be described by the IS–LM model in the short run. The governments of both countries cut taxes by the same amount. The Central Bank of Alpha follows a policy of holding a constant money supply. The Central Bank of Beta follows a policy of holding a constant interest rate. Compare the impact of the tax cut on income and interest rates in the two countries.

Recently, verizon wireless ran a pricing trial in order to estimate the elasticity of demand for its services. the manager selected three states that were representative of its entire service area and increased prices by 5 percent to customers in those areas. one week later, the number of customers enrolled in verizon's cellular plans declined 4 percent in those states, while enrollments in states where prices were not increased remained flat. the manager used this information to estimate the own-price elasticity of demand and, based on her findings, immediately increased prices in all market areas by 5 percent in an attempt to boost the company's 2016 annual revenues. one year later, the manager was perplexed because verizon's 2016 annual revenues were 10 percent lower than those in 2015"the price increase apparently led to a reduction in the company's revenues. did the manager make an error? yes - the one-week measures show demand is inelastic, so a price increase will decrease revenues. yes - the one-week measures show demand is elastic, so a price increase will reduce revenues. yes - cell phone elasticity is likely much larger in the long-run than the short-run. no - the cell phone market must have changed between 2011 and 2012 for this price increase to lower revenues.

The board of directors is the highest ranking body in a corporation, and the chairman of the board is the highest ranking individual. the ceo generally works under the board and its chairman, and the board generally has the authority to remove the ceo under certain conditions. the ceo, however, cannot remove the board, but he or she can endeavor to have the board voted out and a new board voted in should a conflict arise. it is possible for a person to simultaneously serve as ceo and chairman of the board, though many corporate control experts believe it is bad to vest both offices in the same person. true false

73. calculate the weighted average cost of capital (wacc) based on the following information: the equity multiplier is 1.66; the interest rate on debt is 13%; the required return to equity holders is 22%; and the tax rate is 35%. (a) 15.6% (b) 16.0% (c) 15.0% (d) 16.6% (e) none of the above