The economic system that answers the What, How and For Whom questions using prices determined by the interaction of supply and demand is a:

If the number of employed people in a country is 21 million, and the number of unemployed workers in a country is 10 million. The size of the labor force in the country is equal to ________

A) 31 million B) 21 million C) 11 million D) 10 million Consider an economy that consists of the following economic agents only. 2 million full-time workers 1 million part-time workers 1 million people who have been laid off by their employers but are currently looking for employment 1 million children of age fifteen years or less 2 million housewives not looking for jobs

In the simple Keynesian consumption function, consumption demand is

A) a function of disposable income alone. B) a function of disposable income and an autonomous component. C) simply an autonomous amount exogenous to the model. D) a function of the interest rate and an autonomous component. E) a function of the interest rate alone.