Temporary bubbles in an economy with under-accumulation

Philippe Michel and Bertrand Wigniolle

No 2000061, LIDAM Discussion Papers CORE from Université catholique de Louvain, Center for Operations Research and Econometrics (CORE)

Abstract: This paper studies the equilibrium dynamics of an overlapping generations model with capital, money and cash-in-advance constraints. At each date the economy can experience two different regimes. In the first one the cash-inadvance constraint is binding and money is a dominated asset. In the second one, the constraint is strictly satisfied and money has the same return as capital. When the second regime holds on some finite interval, we say that the economy experiences a temporary bubble. We prove that temporary bubbles can exist in an economy which would experience under accumulation without money. We also show, in an example, that cyclical bubbles and sunspot equilibria may occur. Finally, we prove that money creation has the power to eliminate bubbles.

Keywords: overlapping generations model; bubbles; cash-in-advance constraint. (search for similar items in EconPapers)
JEL-codes: D9 E4 G1 (search for similar items in EconPapers)
Date: 2000-12
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Related works:
Working Paper: Temporary Bubbles in an Economy with Under-Accumulation (2000)
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