When there is only one buyer of labor in a community, we talk of a

External costs are

A) borne by individuals other than those who incurred them. B) another term for implicit costs. C) borne by the public but incurred by the government. D) borne by the government but incurred by the public.

Within the Keynesian model, if the marginal propensity to consume is 0.8, which of the following is true?

a. When consumption increases by $5, income increases by $1. b. When consumption increases by $1, saving increases by $5. c. When investment increases by $1, income increases by $5. d. When investment increases by $1, saving increases by $5.