Foreign Policy reports:

India’s two most prominent economists have never really seen eye-to-eye. Amartya Sen, a Nobel Prize-winner and Harvard professor, believes in public interventions to alleviate extreme poverty and reduce inequality while Jagdish Bhagwati, a professor at Columbia and author of the bestselling book In Defense of Globalization, favors a more free-market, growth-first approach.

In recent weeks, the two have caused something of an uproar — “Academic Brawl,” proclaims the Economic Times – with a terse back-and-forth in the letters page of the Economist.

What is it all about? For the answer, I turned to the blog of a third prominent Indian economist (and apparently excellent cook) Debraj Ray:

1. Economic growth is fundamentally uneven.

2. Looking at rates of growth per person will fail to reveal this basic fact. High growth and extreme inequalities can co-exist. Indeed, they often do.

3. There are a number of ways to deal with uneven growth. The most important of these is occupational choice: education and training to enter new sectors. But occupational choice is slow (it will often take a generation), and it is imprecise (by the time we’re done retraining, the economy may have hared off somewhere else).

4. So other ways need to be found to even out that unevenness.

5. But wait — why won’t the good old market take care of it? It might: if growth in one sector trickles to another via expanding demand. If software engineers like potatoes, the potato farmer stands to gain. Or the tourist industry. Or hairdressers. Just how strong these intersectoral bonds are is a profoundly empirical question. Is there enough work on assessing these strengths? The simple answer is no: not nearly enough. To simply hope that the bonds will work is no good.

We have now arrived at the heart of the matter: is (5) enough? That is what the debate needs to be about. Not about Bhagwati, and not about Sen.

6. And if (5) isn’t enough, what then? Then we are left with two alternatives:

7. Active and sustained government intervention to even things out. Social spending on education. On health. [On] nutrition. On transportation and communication networks. On minimal safety nets. The market can take care of the cool stuff. The public sector gets a less sexy role: getting the basics right. That is what Drèze and Sen (and frankly, many others) are about.

Failing (7) and provided that (5) fails as well, we have just one option:

8. Sustained, crippling social conflict, not just cutting across class lines but along any marker which can be arrogated for the purpose: religion, caste, geography, language.

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