Douglas Clement provides an "Esther Duflo interview: Deciding how to share" (For All: Federal Reserve Bank of Minneapolis, Spring 2021). On the existence of a tradeoff between growth and inequality:I think the whole notion of a trade-off is likely a fallacy, for various reasons. First of all, there is no clear link either on theoretical grounds or empirically between higher inequality and more growth. There is no reason why inequality is necessary for growth. And there is no law of economics that says that growth increases inequality either. So I think there is no causality necessarily going in either direction; therefore, there is not necessarily a trade-off. Just as a matter of accounting, growth is equality-enhancing if most of the benefits of growth are going toward the poor. And
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On the existence of a tradeoff between growth and inequality:
I think the whole notion of a trade-off is likely a fallacy, for various reasons. First of all, there is no clear link either on theoretical grounds or empirically between higher inequality and more growth. There is no reason why inequality is necessary for growth. And there is no law of economics that says that growth increases inequality either. So I think there is no causality necessarily going in either direction; therefore, there is not necessarily a trade-off. Just as a matter of accounting, growth is equality-enhancing if most of the benefits of growth are going toward the poor. And growth is inequality-enhancing if most of the advantages are going toward the rich. Both are possible. I don’t think there is a systematic pattern either way. ...In fact, we don’t seem to have much of a handle on what causes growth anyway, although we might have interesting theoretical narratives on growth. If there is a consensus among macroeconomists, it’s on what should be avoided at all costs, like hyperinflation. But there is not a set of recipes that guarantees growth, and it’s not that these recipes therefore lead to a trade-off. So, I think there is actually no trade-off.
The idea of the pointillist painting is, imagine a painting by Seurat. It’s literally made of dots, and each of these dots on its own is perfectly nice, but it doesn’t generalize to anything. But if you step back and accumulate all these dots, you see the entire painting of, say, a family on the bank of the Seine having a picnic.On using the superstar power of economists to save lives
Suppose you’re trying to assemble a jigsaw puzzle of that Seurat painting. Just by looking at the rest of the painting, you sort of know what goes next. You have a prediction about where a given piece fits. You might find that your piece doesn’t fit. It might be wrong. It’s not what you expected. But the frame, the painting, gives you good guidance for what you might expect.
That’s how progress happens. The caricature is that you try one small experiment in one place, and then you can take the result to the entire world. That’s not it. The way it actually works is: Do your small experiment; get some findings that are interesting. They might contradict or confirm the theory that you started from, but they give you fodder for the next experiment, and so on and so forth, until you have an understanding of what might be the entire shape or contour of that problem.
My husband, Abhijit Banerjee, also a Nobel Prize laureate, was asked to be the chairman of the coronavirus response team in West Bengal. ... We knew from previous work ... that stars and celebrities are very influential in conveying these messages, so we were looking for stars to pass along very basic social distancing advice to households in India at a time when it was completely confusing. It finally dawned on us that the best star we had was right on our team! Abhijit Banerjee has been a bit of a household name in West Bengal—where he’s from—since he won the Nobel Prize. ...Abhijit recorded messages that were sent in two rounds to subscribers with Airtel, a bigger subscriber network. One message was about asking people to be kind to coronavirus patients and not to shun them out of the village, and the other was about how travel during Durga Puja, where people normally come in droves to town and make pilgrimages to makeshift temples. So, potentially, a scene of millions of people crowded together, coming from everywhere and going back. It could have been a coronavirus disaster.
Abhijit worked with others in putting together something that was feasible. You cannot say, “Cancel the holiday.” That’s not really an option. So something that was feasible, but would improve things. And we sent one more round of messages urging people to stay home if they’re older, and if they do go out, visit just one location, and wear a mask.
And quickly after that, Durga Puja happened, and we saw that the attendance was down a significant amount from previous years. So it was much, much, much lower attendance. And we can now see whether there was an uptick of coronavirus and we don’t see that.
So, of course, it was not just his messages. There was also the chief minister went on television to relay the message. But this entire effort to convince people with clear messages about what to do seems to have been very effective. I’m convinced that that saved thousands and thousands of lives ultimately. You don’t get to do that every day.
For an earlier post on the award of the 2019 Nobel Prize in economics to Duflo, Banerjee, and Michael Kremer, see "A Nobel for the Experimental Approach to Global Poverty for Banerjee, Duflo, and Kremer" (October 18, 2019).