Brad Setser, of Roubini Global Economics, an economic-analysis website, is paid to spend two to three hours or so each day blogging as a part of his job.

ECONOMIST: Why do economists spend valuable time blogging?

At the other extreme, Nouriel Roubini and Brad Setser, of Roubini Global Economics, think that American interest rates could rise by up to 2 percentage points if Asian central banks stopped their intervention.

ECONOMIST: Forever free | The