Why do economists use models?

a. models are used to add complexity to a simple world.
b. models allow us to study a simplified version of a complex world.
c. models allow us to control exogenous factors.
d. models make the world harder to understand.
e. models allow us to examine more factors than what actually exists in our world.

Which of the following best explains why large companies have an advantage over smaller companies? a. economies of scale make it possible to offer lower prices. b. the production possibilities frontier is wider for a larger company. c. decreasing marginal utility enables more efficient production. d. increasing the scale of production leads to a reduction in inputs.2b2t

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.

Materials purchases (on credit). direct materials used in production. direct labor paid and assigned to work in process inventory. indirect labor paid and assigned to factory overhead. overhead costs applied to work in process inventory. actual overhead costs incurred, including indirect materials. (factory rent and utilities are paid in cash.) transfer of jobs 306 and 307 to finished goods inventory. cost of goods sold for job 306. revenue from the sale of job 306. assignment of any underapplied or overapplied overhead to the cost of goods sold account. (the amount is not material.) 2. prepare journal entries for the month of april to record the above transactions.