The unemployment rate for married men is usually higher than the rate for teenagers

Which of the following represents the basic principle of public choice theory?

a. Politicians act consistently in the public's interest. b. Politicians follow their own self-interest and seek to maximize their reelection chances, rather than promote the best interests of society. c. Politicians act in the public interest once they are elected, but follow their own self-interest and seek to maximize their reelection chances during a political campaign. d. None of the above answers are correct.

With an income elasticity of demand of 0.5, cigarettes are an example of

a. a normal good b. an inferior good c. irrational demand d. complements to health care e. unitary elasticity