Financial Accumulation Implies Ever-Increasing Wealth Inequality

DYNAMETS (Dynamic Systems Analysis for Economic Theory and Society) Working Paper

10 Pages Posted: 16 Oct 2018 Last revised: 18 Jan 2019

See all articles by Yuri Biondi

Yuri Biondi

French National Center for Scientific Research (CNRS)

Stefano Olla

University Paris Dauphine PSL

Date Written: September 23, 2018

Abstract

Wealth inequality is an important matter for economic theory and policy. Ongoing debates have been discussing recent rise in wealth inequality in connection with recent development of active financial markets around the world. Existing literature on wealth distribution connects the origins of wealth inequality with a variety of drivers. Our approach develops a minimalist modelling strategy that combines three featuring mechanisms: active financial markets; individual wealth accumulation; and compound interest structure. We provide mathematical proof that accumulated financial investment returns involve ever-increasing wealth concentration and inequality across individual investors through time. This cumulative effect through space and time depends on the financial accumulation process and holds also under efficient financial markets, which generate some fair investment game that individual investors do repeatedly play through time.

Keywords: inequality, economic process, compound return, simple return, minimal institution

JEL Classification: C46, D31, D63, E02, E21

Suggested Citation

Biondi, Yuri and Olla, Stefano, Financial Accumulation Implies Ever-Increasing Wealth Inequality (September 23, 2018). DYNAMETS (Dynamic Systems Analysis for Economic Theory and Society) Working Paper. Available at SSRN: https://ssrn.com/abstract=3253969 or http://dx.doi.org/10.2139/ssrn.3253969

Yuri Biondi (Contact Author)

French National Center for Scientific Research (CNRS) ( email )

IRISSO - University Paris Dauphine PSL
Place Marechal Lattre Tassigny
75016 Paris
France

HOME PAGE: http://yuri.biondi.free.fr/

Stefano Olla

University Paris Dauphine PSL ( email )

Place du Maréchal de Lattre de Tassigny
Paris, 75016
France

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