The demand for labor curve bends backward whenever the income and substitution effects work in opposite directions

Which of the following is a stock variable?

A) money supply B) wealth C) public debt D) all of the above

The leakage and injections approach implies that a government deficit is financed by

A) private saving less private investment plus net exports. B) private investment less private saving plus net exports. C) the trade deficit must always offset the government deficit. D) None of the above.