The dog that didn't bark - Free Exchange blog

HOW much protectionism—of all kinds—has there been during the crisis? Going into the global recession, some feared a return to the dark days of Smoot-Hawley, punitive tariffs, and collapsing trade and so on...
 
...But there continues to be plenty of dispute about "how much" protectionism there's been ... Some of what we've learned has been thanks to the work of a network of economists who've contributed to something called the Global Trade Alert — a site that tracks every sort of potentially protectionist action taken by governments.

http://www.economist.com/blogs/freeexchange/2010/06/protectionism_and_trade