Paul Krugman: Revenge of the Unforgiven

Stop me if you’ve heard this before: The world economy appears to be stumbling. For a while, things seemed to be looking up, and there was talk about green shoots of recovery. But now growth is stalling, and the specter of deflation looms.

If this story sounds familiar, it should; it has played out repeatedly since 2008. As in previous episodes, the worst news is coming from Europe, but this time there is also a clear slowdown in emerging markets — and there are even warning signs in the United States, despite pretty good job growth at the moment.