The economy has grown by 4% per year over the past 30 years. during the same period the labor force has grown by 1% per year and the quantity of physical capital has grown by 5% per year. each 1% increase in physical capital per worker is estimated to increase productivity by 0.4%. assume that human capital has not changed during the past 30 years. what is the growth rate of productivity? a. how fast has physical capital per worker grown? b. how much has growing physical capital per worker contributed to productivity growth? c. how much has growing physical capital per worker contributed as a percentage of total productivity growth? d. how much has technological progress contributed to productivity growth? e. how much has technological progress contributed as a percentage of productivity growth?

Assume today is december 31, 2013. barrington industries expects that its 2014 after-tax operating income [ebit(1 – t)] will be $400 million and its 2014 depreciation expense will be $70 million. barrington's 2014 gross capital expenditures are expected to be $120 million and the change in its net operating working capital for 2014 will be $25 million. the firm's free cash flow is expected to grow at a constant rate of 4.5% annually. assume that its free cash flow occurs at the end of each year. the firm's weighted average cost of capital is 8.6%; the market value of the company's debt is $2.15 billion; and the company has 180 million shares of common stock outstanding. the firm has no preferred stock on its balance sheet and has no plans to use it for future capital budgeting projects. using the corporate valuation model, what should be the company's stock price today (december 31, 2013)? round your answer to the nearest cent. do not round intermediate calculations.

You are working on a bid to build two city parks a year for the next three years. this project requires the purchase of $249,000 of equipment that will be depreciated using straight-line depreciation to a zero book value over the three-year project life. ignore bonus depreciation. the equipment can be sold at the end of the project for $115,000. you will also need $18.000 in net working capital for the duration of the project. the fixed costs will be $37000 a year and the variable costs will be $148,000 per park. your required rate of return is 14 percent and your tax rate is 21 percent. what is the minimal amount you should bid per park? (round your answer to the nearest $100) (a) $214,300 (b) $214,100 (c) $212,500 (d) $208,200 (e) $208,400

List the seven key characteristics of the american free enterprise system. write a sentence explaining each characteristic. also give one example of where you have seen this characteristic in our economy.