When price exceeds average variable cost in the short run, a competitive firm's marginal cost curve is regarded as its supply curve because

a. among the various cost curves, the marginal cost curve is the only one that slopes upward.

b. the position of the marginal cost curve determines the price for which the firm should sell its product.

c. the marginal cost curve determines the quantity of output the firm is willing to supply at any price.

d. the firm is aware that marginal revenue must exceed marginal cost in order for profit to be maximized?

Many influential economists, politicians, and business leaders think that a shift toward a more integrated and interdependent global economy is a good thing. there is evidence to support the theory that falling barriers to international trade and investment drive the global economy toward greater prosperity. there are, however, critics who argue against globalization. anecdotes, evidence, and arguments can be collected to support each side of the debate.

Why might a business based on a fad be a good idea? question 2 options: fads bring in the most customers. some fads are longer lasting than expected. fads have made some business owners incredibly wealthy. fads can take a business in a new direction.

Onsider the following subscription behavior information from genie, a web site that provides tools for constructing a family tree (ancestor search). subscriptions cost $9.99 per month, but you are charged for the entire year at the time of purchase. there is a one-year minimum term when you sign up for the service. once purchased, subscriptions are set to renew automatically unless the subscriber cancels them. when a membership renews, it renews for a one-year term and again you are charged for the entire year. there are no variable costs associated with providing this service to an individual customer, but genie does engage in customer relationship activities that they believe will increase customer retention. these customer relationship activities cost genie about $10 per year per customer. based on a sample of 1000 customers that joined genie five years ago, near the time when the company was founded, they were able to determine how many of those customers remained subscribers in the second year, third year etc. based on this information, genie calculated the average annual retention rate to be 20%. genie uses an annual discount rate of 8%. a. last year, genie spent $10,000 placing advertisements on google. genie management believes that these advertisements were responsible for about 300 new subscribers. would you recommend to genie management that they purchase more google ads? b. suppose a newly-introduced loyalty program increases the number of customers that remained to 30%. does this new data change your answer to 9.a? c. do you have any hesitations or concerns about making recommendations to management based on your above estimate of customer lifetime value?