Rational bubbles and the spirit of capitalism

Zhou, Ge (2011): Rational bubbles and the spirit of capitalism.

Abstract

This paper explores the existence of rational bubbles in the pricing of an asset that pays no dividend. I find that when "the spirit of capitalism" is introduced into a growth model, rational bubbles do exist provided that the marginal benefit from holding wealth is nontrivial relative to the marginal utility of consumption as time goes to infinity. I use phase diagrams to discuss the property of the bubbly equilibrium and I use two examples to describe the bubbly equilibrium trajectory explicitly and more intuitively. Moreover, I show that a stochastic bubble, which bursts with an exogenous probability, could exist. This could provide a simple theoretical foundation to explore economic implications of the collapse of bubbles.

• Item Type: MPRA Paper
• Language: English
• Keywords: bubbles, the spirit of capitalism, growth
• Subjects: E - Macroeconomics and Monetary Economics > E2 - Consumption, Saving, Production, Investment, Labor Markets, and Informal Economy; E - Macroeconomics and Monetary Economics > E4 - Money and Interest Rates > E44 - Financial Markets and the Macroeconomy

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