Abstract
This paper provides a broad range of various substitution elasticity values for sectoral nested constant elasticity of substitution (CES) production functions, estimated through panel data techniques and using the World Input-Output Database (WIOD) as the main data source. Although the related empirical literature has been growing over the recent years, there is still no single study focused on a large-scale estimation of various, both product- and industry-specific, elasticities with the use of an internally consistent database and a common methodology for all the production function nests. This paper constitutes an attempt to fill this gap. The obtained estimates may subsequently be used by computable general equilibrium (CGE) modellers in their applied research – covering fiscal, labour market, trade, energy or environmental topics. Significant heterogeneity in the estimated elasticity values is observed between various industries/products as well as between various nests of the production function. This constitutes a strong argument against the arbitrary use of Leontief and/or Cobb-Douglas specifications in multi-sector CGE models.
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