Which of the following observations is true?
a. fixed costs can be completely varied if the time period is sufficient.
b. fixed costs arise when some types of inputs can be bought only in big batches.
c. variable costs arise when inputs have a large productive capacity.
d. in the long run, more costs become variable.

Which of the following mechanisms would be most likely to motivate managers to act in the best interests of shareholders? a) decrease the use of restrictive covenants in bond agreements, b) take actions that reduce the possibility of a hostile takeover, c) elect a board of directors that allows managers greater freedom of action, d) increase the proportion of executive compensation that comes from stock options and reduce the proportion that is paid as cash salaries, e) eliminate a requirement that members of the board directors have a substantial investment in the firm's stocks

Tina is applying for the position of a daycare assistant at a local childcare center. which document should tina send with a résumé to her potential employer? a. educational certificate b. work experience certificate c. cover letter d. follow-up letter

How do communism and socialism differ in terms of the role that government plays in the economy ?