Employers verify the facts of potential employees' resumes to avoid

Which of the following is NOT associated with the new Keynesian economics?

A) small-menu cost theory B) market-clearing models to explain business cycles C) inflation dynamics D) sticky-price theories of real GDP determination

Ali decides to attend the one-hour review session for microeconomics instead of working at his job. His job pays him $10 per hour. Ali's opportunity cost of attending the review session is

A) equal to the benefit he gets from the review session. B) the one-hour review session. C) the value of the session minus the $10 he could have earned at his job. D) nothing, because the review session does not cost anything. E) the $10 he could have earned at his job.