If a bank has $100 million in assets and a net worth of $10 million, its debt-to-equity ratio is:

Suppose a competitive firm is paying a wage of $12 an hour. Assume that labor is the only input. If hiring another worker would increase output by four units per hour, then to maximize profits the firm should

A) layoff some workers. B) not change the number of workers it currently hires. C) hire the extra worker. D) There is not enough information to answer the question.

In an open economy, an increase in savings because of concerns about the future should cause the domestic real interest rate to ________ and should cause net exports to ________

A) rise; rise B) rise; fall C) fall; rise D) fall; fall