According to Keynes, what is the most important determinant of households' spending on goods and services?

In the figure above, if the minimum wage is $4 per hour, then

A) the quantity of labor supplied is less than the quantity of labor demanded. B) the quantity of labor supplied is 4 million hours and the quantity of labor demanded is 2 million hours. C) unemployment is 1 million hours. D) the quantity of labor supplied is 3 million hours and the quantity of labor demanded is 3 million hours.

The switch to flexible exchange rates in 1973 has made the effect of monetary policy on net exports a ________ important component of the monetary policy multiplier process, and thus has ________ the effectiveness lag

A) more, lengthened B) more, shortened C) less, lengthened D) less, shortened