When the Fed buys bonds in the open market, it pursues an expansionary monetary policy

Which of the following makes up the largest share of M2?

A) M1 B) savings deposits C) small time deposits D) money market mutual fund shares

A negative externality exists when

A. marginal social costs are less than marginal private costs. B. marginal social costs are greater than marginal private costs. C. marginal social benefits are less than marginal private benefits. D. marginal social benefits are greater than marginal private benefits. E. b and c