Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/46280 
Year of Publication: 
2011
Series/Report no.: 
CESifo Working Paper No. 3431
Publisher: 
Center for Economic Studies and ifo Institute (CESifo), Munich
Abstract: 
We propose a simple and powerful numerical algorithm to compute the transition process in continuous-time dynamic equilibrium models with rare events. In this paper we transform the dynamic system of stochastic differential equations into a system of functional differential equations of the retarded type. We apply the Waveform Relaxation algorithm, i.e., we provide a guess of the policy function and solve the resulting system of (deterministic) ordinary differential equations by standard techniques. For parametric restrictions, analytical solutions to the stochastic growth model and a novel solution to Lucas' endogenous growth model under Poisson uncertainty are used to compute the exact numerical error. We show how (potential) catastrophic events such as rare natural disasters substantially affect the economic decisions of households.
Subjects: 
continuous-time DSGE
Poisson uncertainty
waveform relaxation
JEL: 
C63
E21
O41
Document Type: 
Working Paper
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