How do network externalities affect barriers to entry? network externalities
a. reduce barriers to entry because production becomes more efficient.
b. serve as barriers to entry because one firm can supply at lower average cost.
c. serve as barriers to entry because government regulations prevent entry.
d. serve as barriers to entry because new products are less useful.
e. reduce barriers to entry because consumers are more satisfied.

Acompany's income statement showed the following: net income, $145,000 and depreciation expense, $36,300. an examination of the company's current assets and current liabilities showed the following changes as a result of operating activities: accounts receivable decreased $11,500; merchandise inventory increased $22,200; and accounts payable increased $5,500. calculate the net cash provided or used by operating activities. $209,500 $139,000 $176,100 $186,500 $142,100

At a young age, ebony's coaches were confident she had the potential to be a world-class swimmer with a future coaching career. after four years on an athletic scholarship and olympic experience under her belt, she chose a different path. with her savings and personal connections, she rented a corner building in a bustling san francisco neighborhood and pursued her dream: a surf shop business. ebony's dream was rooted in which basic right of free-market capitalism?

Suppose a stock had an initial price of $65 per share, paid a dividend of $1.45 per share during the year, and had an ending share price of $58. a, compute the percentage total return. (a negative answer should be indicated by a minus sign. do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) b. what was the dividend yield and the capital gains yield? (a negative answer should be indicated by a minus sign. do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.)