e. In the 2008 U.S. presidential election, Barack Obama won by close to 10 million votes. In what sense is the puzzle not so much why more people didn’t vote but rather why so many—

about 60% of eligible voters—did.

f. Suppose we believe that governments are more effective the more voters engage in elections.

In what sense does this imply that voters have Prisoner’s Dilemma incentives that give rise to free riding?