Intratemporal elasticity of substitution between private and public consumption: new evidence and implications

John Francois and Andrew Keinsley

Empirical Economics, 2023, vol. 65, issue 4, No 6, 1655-1692

Abstract: Abstract This paper estimates the intratemporal elasticity of substitution (IES) between private and public consumption in private utility. Using panel data for 17 European countries over 1970-2018, we estimate the IES to lie between 0.6 and 0.74. When combined with the relevant intertemporal elasticity of substitution, our estimated IES implies that private and public consumption are Edgeworth complements. The panel estimate, however, conceals a large heterogeneity where the IES ranges from as low as 0.3 in Italy to 1.3 in Ireland. This suggests that the crowding-in (out) effect of fiscal policies involving change in government consumption will differ across countries. This cross-country variation in the IES is positively correlated the share of health spending in public expenditure but negatively correlated with the share of public order and safety in government expenditures. We also find a U-shape relationship between the size of IES and government size.

Keywords: Intratemporal elasticity of substitution; Heterogeneity; Edgeworth complementarity; Public and private consumption; Fiscal policy (search for similar items in EconPapers)
JEL-codes: C22 C23 E62 H5 (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s00181-023-02387-w

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