Um comentário interessante de Antonio Fatas à igualmente interessante recensão que Deirdre McCloskey fez ao bestseller de Piketty: Is 0% growth for 90% a successful economic model?

Very few, including Piketty, would disagree with the merits of capitalism. The fact that all advanced and prosperous economies have reached their current level of income by relying on markets, the fact that the fastest growing emerging markets are those that move closer to that model and by doing so are able to lift a large percentage of their population from below poverty levels, all speak up in favor of the power of markets and incentives to unleash growth.

But the debate cannot end up there. The success of capitalism as an economic model does not imply that we should accept current outcomes and that we should not discuss alternative models that, in comparison to other economic paradigms, might all look very similar but they could produce very different distributions of income. What Piketty and others have done is to raise awareness that since the early 80s, the economic model that we call capitalism has generated an outcome that is different from the one we had seen in the previous decades and that this outcome, in some countries, resemble what we saw before the Great Depression (…)

We all agree that the current economic model has allowed the income of many Americans to increase at a rate close to 2% for more than a century based on continuous productive accumulation of capital and innovation, an amazing success. But how would we think about the same economic model if this rate of growth slowed down and was very close to 0%? This would represent a big change in the economic outcome and would, for sure, raise concerns about why the model is failing to deliver relative to our expectations (that is the argument we use to call alternative models, like those of planned economies, a failure).

While it is true that GDP per capita growth has remained in line with historical experience over the last decades, the income of a large % of US households has either stopped growing or is growing at a rate much closer to 0% than to 2%. So if 0% growth for 100% of the population would represent a failure, what about 0% growth for 90% of the population? Regardless of how well capitalism has performed in the past, we need to open for a debate on the merits and outcomes of such a model that takes into account how the income and wealth that it generates gets distributed. There is no just one form of capitalism, there are many. Current tax rates, regulations are not set in stone and they are very different from what they were during many periods of the recent economic history so a debate on how inequality trends reflect on the successes and potential weaknesses of the current model is not only a healthy one but one that is needed.

One more comment regarding McCloskey’s review. While I said I did not want to go into the details of the review, there was one that I found very surprising. The review argues that while income inequality might have increased, consumption inequality is a lot lower. One of the reasons is that the actual consumption of those who own six houses is not that different from those who own one as you can only live in one house at a time. That’s an odd argument. If taken seriously it provides support from those on the “left” who argue for very high levels of taxation for the rich. Let’s tax 100% of the value of those 5 extra houses given that they are not providing any consumption or welfare to those who own them.


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