Arbeitspapier

Fundamental uncertainty, portfolio choice, and liquidity preference theory

One of Keynes' core issues in his liquidity preference theory is how fundamental uncertainty affects the propensity to hold money as a liquid asset. The paper critically assesses various formal representations of fundamental uncertainty and provides an argument for a more boundedly rational approach to portfolio choice between liquidity and risky assets. The choice is made on the basis of individual beliefs which are subject to mental representations of the underlying economic structure. Self-consciousness arises when the agent is aware of the fact that beliefs are dispersed among agents due to the absence of a true model. Responding to this fact by increasing liquidity preference is rationalized by the higher ex post performance of choice. Moreover, we analyze the case that the portfolio is partially financed by debt. It is explored how fundamental uncertainty affects the volume of the portfolio and hence money and credit demand as well as the probability of debt failures.

Language
Englisch

Bibliographic citation
Series: Jena Economic Research Papers ; No. 2009,085

Classification
Wirtschaft
Portfolio Choice; Investment Decisions
Criteria for Decision-Making under Risk and Uncertainty
Demand for Money
History of Economic Thought: Individuals
Subject
liquidity preference
portfolio choice
self-confidence
self-consciousness
fundamental uncertainty
bounded rationality
Keynes
Knight
Liquiditätspräferenz
Entscheidung bei Unsicherheit
Beschränkte Rationalität
Portfolio-Management
Anlageverhalten
Theorie

Event
Geistige Schöpfung
(who)
Pasche, Markus
Event
Veröffentlichung
(who)
Friedrich Schiller University Jena and Max Planck Institute of Economics
(where)
Jena
(when)
2009

Handle
Last update
10.03.2025, 11:41 AM CET

Data provider

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Object type

  • Arbeitspapier

Associated

  • Pasche, Markus
  • Friedrich Schiller University Jena and Max Planck Institute of Economics

Time of origin

  • 2009

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