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Friday, November 06, 2015

'Health Inequality'

Health inequality is large and consequential:

Health Inequality, by Giacomo De Giorgi and Maxim Pinkovskiy, Libery Street Economics: However important income inequality is, it is only a partial representation of the inequality in well-being among individuals, households, counties, and other communities. At a minimum, we need to consider other crucial measures such as consumption, leisure, and health. ...

It seems rather obvious that health is a fundamental component of welfare, yet more work needs to be done on analyzing the evolution of health inequality and its relationship with income inequality in a consistent framework that would allow us to draw welfare conclusions, as we do later in this blog.

First, we document, and map below, a large dispersion in life expectancy across counties.

Average Life Expectancy by County in 2007

...From the map’s legend, we can immediately notice a very large dispersion: the top 20 percent of life expectancy is about a decade longer than the bottom 20 percent. Looking at the map also immediately tells us that the Southeast has a substantially lower life expectancy. We note that this is partly owing to differences in demography and income across counties. ...
Welfare Analysis How important are these large health inequalities for welfare? ...

We ... conclude that raising life expectancy out of the lower tail would be a much more welfare-improving intervention than fully equalizing consumption. (We get analogous results if we ask by how much the decision maker would need to have all consumption levels raised in order to be indifferent between the current consumption and life expectancy distribution and the proposed intervention).

Health is a Key Component of Inequality
In terms of welfare (under standard assumptions on the welfare function), the elimination of the left tail of mortality would have a beneficial impact that is about 60 percent larger than full consumption equalization.

What are the policies that might eliminate the lower tail of the life-expectancy distribution? This remains a topic for further discussion. However, we observe that the increase in life expectancy that we need to achieve the elimination of the lower tail is not unprecedented. Over a span of twenty years, life expectancy increased on average by three years across U.S. counties, which would be sufficient to raise the lower tail substantially.

    Posted by on Friday, November 6, 2015 at 10:56 AM in Economics, Health Care, Income Distribution | Permalink  Comments (30)


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