Seminars & webinars
3 February, 2011

Intergenerational and inter-regional equity in a warming planet

Where: Milan

Fondazione Eni Enrico Mattei
Corso Magenta 63
20123 Milan

How to reach: Google map
Event's Timetable:

h. 12.00 Seminar
h. 13.00 Light Lunch


Seminars Office,


John E. Roemer, Elizabeth S. and A. Varick Stout Professor of Political Science & Economics
Yale University


The seminar will be a summary of several papers, including "A dynamic analysis of human welfare in a warming planet”, by Humberto Llavador (Universitat Pompeu Fabra), John E. Roemer (Yale University), and Joaquim Silvestre (University of California, Davis), which abstract is below.
Climate science indicates that climate stabilization requires low GHG emissions. Is this consistent with non-decreasing human welfare?
Our welfare or utility index emphasizes education, knowledge, and the environment. We construct and calibrate a multigenerational model with intertemporal links provided by education, physical capital, knowledge and the environment.
We reject discounted utilitarianism and adopt, first, the Pure Sustainability Optimization (or Intergenerational Maximin) criterion, and, second, the Sustainable Growth Optimization criterion, that maximizes the utility of the first generation subject to a given future rate of growth. We apply these criteria to our calibrated model via a novel algorithm inspired by the turnpike property.
The computed paths yield levels of utility higher than the level at reference year 2000 for all generations. They require the doubling of the fraction of labor resources devoted to the creation of knowledge relative to the reference level, whereas the fractions of labor allocated to consumption and leisure are similar to the reference ones. On the other hand, higher growth rates require substantial increases in the fraction of labor devoted to education, together with moderate increases in the fractions of labor devoted to knowledge and the investment in physical capital.

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Intergenerational and inter-regional equity in a warming planet

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