Assorted links

1. Nudging people to decrease their credit card spending.

2. Edmond Malinvaud passed away a few days ago, here is an Alan Krueger interview with him.

3. “Dried tardigrades have been brought back to life after eight years.”

4. Paul Krugman argues you sometimes should reason from a price change.  And Scott in response.

5. Have American hospitals actually been on a productivity binge?

6. How TripAdvisor is changing travel, from Tom Vanderbilt.