Assorted links

1. The Three (Four?) Christs experiment.

2.  The price of oil didn’t much react to the Iran deal.  By the way: “…this right is clearly stated in the text of the agreement that Iran can continue its enrichment, and I announce to our people that our enrichment activities will continue as before,” Rouhani said in a statement broadcast live on television in Iran on Sunday morning.”

3. Magnus Carlsen and the Flynn Effect.

4. Ed Luce on the promise and limits of on-line education.  MIT .  And there is declining tuition revenue at 4 out of 10 U.S. schools.

5. Has the future already arrived in Silicon Valley?

6. Aghion on Krugman and France (in French).

7. Russ Roberts is doing an essay contest for Mokyr vs. Cowen and Gordon on stagnation and related ideas.