Paul Krugman has been doing explanatory journalism since 1996, moving from a career as a world-class economist to writing hard-hitting opinion columns. For an even deeper look at what's on his mind, sign up for his weekly newsletter.
Enter your email to sign up for our newsletter. Around the Web. We Know Why Sarah Palin Is Getting Divorced · The Tragedy of 'Deadliest Catch' Just Gets
Medium taps into the brains of the world’s most insightful writers, thinkers, and storytellers to bring you the smartest takes on topics that matter. So whatever your interest, you can always find fresh thinking and unique perspectives.