If workers do not believe that policymakers are serious about fighting inflation, they are most likely to push for higher wages, which will ________ aggregate ________ and lead to unemployment or inflation or both, everything else held constant

The table above gives information on the marginal perceived private benefit and marginal social benefit associated with vaccination against varicella (chicken pox)

If the marginal cost of a varicella vaccination is $10, to achieve an efficient quantity of vaccinations, the government could provide a subsidy of A) $4 per vaccination. B) $3 per vaccination. C) $2 per vaccination D) $1 per vaccination.

Investment spending will decrease when

A) firms become more optimistic about earning future profits. B) the corporate income tax decreases. C) business cash flow decreases. D) the interest rate falls.