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Mathieu Lefebvre: "Missing poor in the US"

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  • Vorträge
Wann 09.05.2019
von 12:00 bis 13:30
Wo HS 1142
Termin übernehmen vCal

Mathieu Lefebvre (Université de Strasbourg) wird am 9. Mai einen Vortrag im Rahmen des Forschungskolloquiums des Instituts für Wirtschaftswissenschaften halten.


Given that poor individuals face worse survival conditions than non-poor individuals, one can expect that a steeper income/mortality gradient leads, through stronger income-based selection, to a lower poverty rate at the old age (i.e. the "missing poor" hypothesis). This paper uses U.S. state-level data on poverty at age 65+ and life expectancy by income levels to provide an empirical test of the missing poor hypothesis. Using air pollution as an instrument for mortality differentials, we show that instrumented changes in mortality differentials have a negative and statistically signicant effect on old-age poverty: a 1 % increase in the mortality differential implies a 9 % decrease in the 65+ headcount poverty rate. Using those regression results, we compute hypothetical old-age poverty rates while neutralizing the impact of the income/mortality gradient, and show that correcting for heterogeneity in income-based selection effects modifies the comparison of old-age poverty prevalence across states.

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