Sunday assorted links

1. Technological progress in rock climbing.

2. Technological progress in bowling alleys, which are making a comeback (Bloomberg).

3. Duflo and Banerjee on incentives and economic policy (NYT).

4. “Further, buybacks make stock price more sensitive to profits, which improves the ability of stock-based compensation to discipline managers.”

5. “About 6% of the observed increase in income inequality results from changes in how students and resources are allocated across colleges.“