The law of diminishing marginal returns holds even when there are no fixed factors. sets in because not all workers are equally productive. applies only in the short run. ultimately explains why production displays diseconomies of scale.

The u.s. stock market has returned an average of about 9% per year since 1900. this return works out to a real return (i.e., adjusted for inflation) of approximately 6% per year. if you invest $100,000 and you earn 6% a year on it, how much real purchasing power will you have in 30 years?

Companies in the u.s. car rental market vary greatly in terms of the size of the fleet, the number of locations, and annual revenue. in 2011 hertz had 320,000 cars in service and annual revenue of approximately $4.2 billion. the following data show the number of cars in service (1000s) and the annual revenue ($ millions) for six smaller car rental companies (auto rental news website, august 7, 2012). excel file: data14-09.xls if required, enter negative values as negative numbers. a. select a scatter diagram with the number of cars in service as the independent variable. b. what does the scatter diagram developed in part (a) indicate about the relationship between the two variables? c. use the least squares method to develop the estimated regression equation (to 3 decimals). ŷ = + x d. for every additional car placed in service, estimate how much annual revenue will change. by $ e. fox rent a car has 11,000 cars in service. use the estimated regression equation developed in part (c) to predict annual revenue for fox rent a car. round your answer to nearest whole value. $ million hide feedback partially correct

Beagle autos is known for its affordable and reliable brand of consumer vehicles. because its shareholders expect to see an improved rate of growth in the coming years, beagle's executives have decided to diversify the company's range of products so that at least 40 percent of the firm's revenue is generated by new business units. however, the company's resources, capabilities, and competencies are limited to producing other forms of motorized vehicles, such as motorcycles and all-terrain vehicles (atvs). which type of corporate diversification strategy should beagle pursue?