Economic Crises in a Model with Capital Scarcity and Self-Reflexive Confidence
17 Pages Posted: 24 Sep 2021
Date Written: September 20, 2021
In the General Theory, Keynes remarked that the economy's state depends on expectations, and that these expectations can be subject to sudden swings. In this work, we develop a multiple equilibria behavioural business cycle model that can account for demand or supply collapses due to abrupt drops in consumer confidence, which affect both consumption propensity and investment. We show that, depending on the model parameters, four qualitatively different outcomes can emerge, characterised by the frequency of capital scarcity and/or demand crises. In the absence of policy measures, the duration of such crises can increase by orders of magnitude when parameters are varied, as a result of the ``paradox of thrift''. Our model suggests policy recommendations that prevent the economy from getting trapped in extended stretches of low output, low investment and high unemployment.
Keywords: Macroeconomics, Business Cycles, Confidence, Behavioral Economics, DSGE
JEL Classification: E22, E32, E24, E23, E44, E03
Suggested Citation: Suggested Citation