True/False and Briefly explain in 3 sentences or less and/or graphs.

a. Under the Beta-Delta Model, preferences will be time-consistent if an individual's delta remains steady over time.

b. Statistical discrimination is always the "good" form of discrimination

c. It is always possible to coordinate on a 2-player prisoner's dilemma game over a long but finite time horizon.

d. Assume "ideal point" preferences over 2 dimensions for voters in a population. Consider a series of binary votes over different policies on those 2 dimensions. The most efficient policy (in terms of minimum "distance" away from the voters) will always result in the end.

e. Public goods are often under-provided because there is little incentive for individuals to report their true willingness to pay for the good.