When aggregate demand declines, wage rates may be inflexible downward, at least for a time, because of:

If the Federal budget is passed with expected revenues of $1.3 trillion dollars and expected expenditures of $1.1 trillion dollars, then the difference of $200 billion dollars is the:

A. National debt. B. Budget deficit. C. Budget surplus. D. Debt service. E. Debt ceiling.

Christine works as a receptionist in an office. She is not supposed to use the Wi-Fi connection provided by the company to access social-networking Web sites

However, she often uses the Wi-Fi to access these Web sites because her browsing activities are not monitored by her employer. This is an example of ________. A) adverse selection B) moral hazard C) a positive externality D) a free-rider problem