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  • Mario Larch (a1) and Wolfgang Lechthaler (a2)


By concentrating a stimulus on the domestic economy, Buy National clauses are argued to lead to higher fiscal multipliers. We show that this argument falls short. Although it is true that domestic demand for domestic goods is increased, at the same time foreign demand for domestic goods is reduced by adverse changes in the real exchange rate. The two effects are of similar magnitude, so that Buy National clauses do not lead to a stronger stimulus to GDP. Apart from that, restricting the stimulus to domestic products makes the stimulus more expensive, because cheap foreign products are ignored. Consequently, real public consumption is lowered by Buy National clauses.


Corresponding author

Address correspondence to: Mario Larch, University of Bayreuth, ifo Institute, CESifo, and GEP, Universitaetsstrasse 30, 95447 Bayreuth, Germany; e-mail:


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  • Mario Larch (a1) and Wolfgang Lechthaler (a2)


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