Financial Instability - a Result of Excess Liquidity or Credit Cycles?

Publikation: Working paperForskning


  • DP 11-21

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  • Christian Heebøll-Christensen
This paper compares the financial destabilizing effects of excess liquidity versus
credit growth, in relation to house price bubbles and real economic booms. The
analysis uses a cointegrated VAR model based on US data from 1987 to 2010, with a particulary focus on the period preceding the global financial crisis. Consistent with monetarist theory, the results suggest a stable money supply-demand relation in the period in question. However, the implied excess liquidity only resulted in financial destabilizing effect after year 2000. Meanwhile, the results also point to persistent cycles of real house prices and leverage, which appear to have been driven by real credit shocks, in accordance with post-Keynesian theories on financial instability. Importantly, however, these mechanisms of credit growth and excess liquidity are found to be closely related. In regards to the global financial crisis, a prolonged credit cycle starting in the mid-1990s - and possibly initiated subprime mortgage innovations - appears to have created a long-run housing bubble. Further fuelled by expansionary
monetary policy and excess liquidity, the bubble accelerated in period
following the dot-com crash, until it finally burst in 2007.
UdgiverDepartment of Economics, University of Copenhagen
Antal sider32
StatusUdgivet - 2011

Bibliografisk note

JEL Classification: C32, E51, E44, G21


  • financial instability, housing bubbles, cointegrated VAR model, money view , credit view

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