Economy – Quantitative Finance – General Finance
Scientific paper
2008-02-14
Economy
Quantitative Finance
General Finance
21 pages, 11 figures. The new version expands the discussion on shocks with quarterly data analysis
Scientific paper
We show that a simple and intuitive three-parameter equation fits remarkably well the evolution of the gross domestic product (GDP) in current and constant dollars of many countries during times of recession and recovery. We then argue that this equation is the response function of the economy to isolated shocks, hence that it can be used to detect large and small shocks, including those which do not lead to a recession; we also discuss its predictive power. Finally, a two-sector toy model of recession and recovery illustrates how the severity and length of recession depends on the dynamics of transfer rate between the growing and failing parts of the economy.
Challet Damien
Solomon Sorin
Yaari Gur
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