Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/311846 
Year of Publication: 
2025
Series/Report no.: 
IMFS Working Paper Series No. 217
Publisher: 
Goethe University Frankfurt, Institute for Monetary and Financial Stability (IMFS), Frankfurt a. M.
Abstract: 
The standard approach to solving linear DSGE models is to apply the QZ method. It is a one-shot algorithm that leaves the researcher with little alternative than to seek a different algorithm should the result be numerically unsatisfactory. We develop an iterative implementation of QZ that delivers the standard result as its first iteration and further refinements at each subsequent iteration. We demonstrate that our algorithm successful corrects for accuracy losses identified in particular cases of a macro finance model and does not erroneously attempt to refine sufficiently accurate solutions.
Subjects: 
Numerical accuracy
DSGE
Solution methods
JEL: 
C61
C63
E17
Document Type: 
Working Paper

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