Head Start helps disadvantaged children in their preschool years

The Keynesian mechanism through which monetary policy affects the price level, real GDP, and employment depends on the impact of the:

a. interest rate on savings. b. inflation on investment. c. interest rate on investment. d. interest rate on bond prices.

Production is productively efficient when

a. the maximum possible output is being produced from a given collection of inputs b. people are working their hardest c. no more capital can be substituted for labor d. technological innovation is no longer desirable e. workers perform their duties at the expected level, even if they are physically capable of doing more