Economic fluctuations and pseudo-wealth

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Abstract
What can explain the large changes in aggregate demand that occur in the absence of any seemingly corresponding shock to the underlying state variables of the economy? We show that macroeconomic volatility can arise from dispersions of beliefs among agents. Such dispersion gives rise to bets and other trades in speculative assets. Such trades give rise to pseudo-wealth, wealth that individuals believe they have on the basis of expectations of returns on these gambles. In the aggregate, when there are enough opportunities for trade and large enough dispersions in beliefs, this perceived wealth may be dangerously untethered to either market wealth or the real wealth of the economy. Given the increased dispersion in beliefs that naturally arises from unprecedented shocks, the theory of pseudo-wealth provides new understandings of both the origins of unanticipated fluctuations and their magnitude, markedly different from prevailing theories grounded in common knowledge and beliefs among individuals. This paper explores the empirical and theoretical underpinnings of pseudo-wealth, links the concept to observed macroeconomic fluctuations, and lays out a research agenda that might help us better understand the role of pseudo-wealth and the circumstances in which it is pronounced.
Funding Information
  • Institute for New Economic Thinking

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