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Jean-Baptiste MICHAU (CREST) ” The Preference for Wealth and Inequality: Towards a Piketty Theory of Wealth Inequality “
Macro seminar
Time : 12h15 – 13h30
Date : 25 Mars 2024
Salle 3001
Jean-Baptiste MICHAU (CREST) “The Preference for Wealth and Inequality: Towards a Piketty Theory of Wealth Inequality”
Abstract: What are the consequences of the preference for wealth for the accumulation of capital and for the dynamics of wealth inequality? Assuming that wealth per se is a luxury good, inequality tends to rise whenever the interest rate is larger than the economic growth rate. This induces the economy to converge towards an equilib-rium with extreme wealth inequality, where the capital stock is equal to the golden rule level. Far from immiseration, this equilibrium results in high wages and in the golden rule level consumption for ordinary households. We then introduce shocks to the preference for wealth and show that progressive wealth taxation prevents wealth from being held by people with high saving rates. This permanently re-duces the capital stock, which is detrimental to the welfare of future generation of workers. This also raises the interest rate, to the benefit of the property-owning upper-middle class. By contrast, a progressive consumption tax successfully and persistently redistributes welfare from the very rich to the poor.
Joint work : Yoshiyasu Ono, Matthias Schlegl