1. Counterintuitively, test prep actually helps minorities. Perhaps a less politically correct interpretation of SAT research more generally is that it highlights how general intelligence factors and conscientiousness are heritable. These traits are correlated with both higher income and outperformance on standardized tests.
2. Rent seekers win a round in New Jersey. If there is economic activity going on around automobiles in New Jersey, the dealerships want their cut even though they aren't adding any value. Many of these dealership owners are presumably Republicans, so this is an example of rent seekers in the "free market" party winning a round.
3. Technological adaptation favors the very young.
4. Risk aversion or approval seeking behavior by college women. The politically correct explanation is that it is the males who are overconfident.