Semi-Daily Journal Archive

The Blogspot archive of the weblog of J. Bradford DeLong, Professor of Economics and Chair of the PEIS major at U.C. Berkeley, a Research Associate of the National Bureau of Economic Research, and former Deputy Assistant Secretary of the U.S. Treasury.

Thursday, August 03, 2006

As If... the Keys of the Keyboard Were Being Depressed by an INVISIBLE HAND...

The Economist looks in the window and says "Hi!":

Economists' blogs | The invisible hand on the keyboard | Economist.com: Aug 3rd 2006: From The Economist print edition: Why do economists spend valuable time blogging?

What Mr Hayek could not have known about knowledge was that 70 years later weblogs, or blogs, would be pooling it into a vast, virtual conversation. That economists are typing as prolifically as anyone speaks both to the value of the medium and to the worth they put on their time.

Like millions of others, economists from circles of academia and public policy spend hours each day writing for nothing. The concept seems at odds with the notion of economists as intellectual instruments trained in the maximisation of utility or profit. Yet the demand is there: some of their blogs get thousands of visitors daily, often from people at influential institutions like the IMF and the Federal Reserve. One of the most active "econobloggers" is Brad DeLong, of the University of California, Berkeley, whose site, http://delong.typepad.com... holds forth on a spread of topics from the Treasury to Trotsky.

So why do it? "It's a place in the intellectual influence game," Mr DeLong replies (by e-mail, naturally). For prominent economists, that place can come with a price. Time spent on the internet could otherwise be spent on traditional publishing or collecting consulting fees.... Gary Becker, a Nobel-prize winning economist, and Richard Posner, a federal circuit judge and law professor, began a joint blog in 2004. The pair, colleagues at the University of Chicago, believed that their site, >http://becker-posner-blog.com>, would permit "instantaneous pooling (and hence correction, refinement, and amplification) of the ideas and opinions, facts and images, reportage and scholarship, generated by bloggers." The practice began as an educational tool for Greg Mankiw, a professor of economics at Harvard and a former chairman of George Bush's Council of Economic Advisers. His site, http://gregmankiw.blogspot.com, started as a group e-mail sent to students, with commentary on articles and new ideas. But the market for his musings grew beyond the classroom, and a blog was the solution. "It's a natural extension of my day job--to engage in intellectual discourse about economics," Mr Mankiw says....

Top universities once benefited from having clusters of star professors. The study showed that during the 1970s, an economics professor from a random university, outside the top 25 programmes, would double his research productivity by moving to Harvard. The strong relationship between individual output and that of one's colleagues weakened in the 1980s, and vanished by the end of the 1990s.... That anyone with an internet connection can sit in on a virtual lecture from Mr DeLong means that his ideas move freely beyond the boundaries of Berkeley, creating a welfare gain for professors and the public.

Universities can also benefit in this part of the equation. Although communications technology may have made a dent in the productivity edge of elite schools, productivity is hardly the only measure of success for a university. Prominent professors with popular blogs are good publicity, and distance in academia is not dead: the best students will still seek proximity to the best minds. When a top university hires academics, it enhances the reputations of the professors, too. That is likely to make their blogs more popular.

Self-interest lives on, as well. Not all economics bloggers toil entirely for nothing. Mr Mankiw frequently plugs his textbook. 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. His blog, http://rgemonitor.com/blog/setser, often concentrates on macroeconomic topics, notably China. Each week, 3,000 people read it--more than bought his last book. "I certainly have not found a comparable way to get my ideas out. It allows me to have a voice I would not otherwise get," Mr Setser says. Blogs have enabled economists to turn their microphones into megaphones. In this model, the value of influence is priceless...

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