The act of putting a new product on the market in order to make profits is called

The requirement for a double coincidence of wants occurs when

A) there is inflation. B) there is deflation. C) a system of barter is used. D) the medium of exchange is liquid.

Many government programs, such as unemployment compensation, operate on a deficit during recessions and a surplus during periods of economic expansion. The programs are referred to as

A) discretionary fiscal policy. B) automatic stabilizers. C) Ricardian equivalence. D) Recognition time lag.