Assorted links by Tyler Cowen February 18, 2013 at 12:30 pm in 1. David Autor on the relative roles of trade and technology. 2. Indian rice productivity seems to be rising. 3. Profile of Stanley Fischer. 4. Uh-oh (photo). 5. Ezra Klein on House of Cards. 6. Maker’s Mark has reversed its decision to dilute the alcohol content. 7. How the elephants get stacked. 8. Volatility and instructor turnover in the Coursera microeconomics class.