Arbeitspapier

Animal Spirits, Heterogeneous Expectations and the Emergence of Booms and Busts

We introduce a simple equilibrium model of a market for loans, where households lend to firms based on heterogeneous expectations about their loan default probability. Agents select among heterogeneous expectation rules, based upon their relative performance. A small fraction of pessimistic traders already has a large aggregate effect, leading to a crisis characterized by high contract rates for loans and low output. Our stylized model illustrates how animal spirits and heterogeneous expectations amplify boom and bust cycles and how endogenous coordination on pessimistic expectations amplifies crises and slows down recovery. Taking heterogeneous expectations and bounded rationality into account is crucial for the timing of monetary or fiscal policy.

Language
Englisch

Bibliographic citation
Series: Working Paper ; No. 7

Classification
Wirtschaft
Business Fluctuations; Cycles
Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
Expectations; Speculations
Subject
Heterogeneous Expectations
Crises
Animal Spirits

Event
Geistige Schöpfung
(who)
Assenza, Tiziana
Brock, William
Hommes, Cars
Event
Veröffentlichung
(who)
Università Cattolica del Sacro Cuore, Dipartimento di Economia e Finanza (DISCE)
(where)
Milano
(when)
2013

Handle
Last update
10.03.2025, 11:42 AM CET

Data provider

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Object type

  • Arbeitspapier

Associated

  • Assenza, Tiziana
  • Brock, William
  • Hommes, Cars
  • Università Cattolica del Sacro Cuore, Dipartimento di Economia e Finanza (DISCE)

Time of origin

  • 2013

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