The interest rate the Federal Reserve charges a bank when it borrows reserves from the Fed is called the

Why does an efficient distribution of outputs among households occur in perfectly competitive markets?

What will be an ideal response?

Economists use the term "marginal" to describe costs and benefits

a. that are minimal and hardly worth noting. b. that are incremental and thus relevant to decision making. c. that are noteworthy but not the most important. d. whose importance can be minimized through hard work. e. none of the above.