Existing computer software

Wealthy people will tend to have vertical labor supply curves

A) only if their income effect just offsets their substitution effect. B) only if their income effect is greater than their substitution effect. C) only if their income effect is less than their substitution effect. D) only if they don't have an income effect.

The Tragedy of the Commons occurs because

a. government property is most heavily used by the wealthy. b. everyone deserves an equal share of government property. c. social and private incentives differ. d. established property rights create competition.