Abstract
This paper examines the impact of imposing different separability assumptions in the specifications of the standard hierarchical KLEM production function in a computable general equilibrium (CGE) model. The appropriate means of introducing energy to production functions has been a source of debate for a number of years. However, while modellers often subject results to parametric sensitivy analysis regarding the values associated with elasticities of substitution between inputs, it is rarely the case that the structure of the production function is subjected to testing. However, the chosen structure reflects the modeller's view about elasticity between different inputs and will have implications for model results wherever there are changes in relative prices. We illustrate our argument by introducing a simple demand shock to a CGE model of the Scottish economy (targeted at the energy supply sector) under different assumptions regarding the structure of the KLEM production function and separability assumptions therein.
Original language | English |
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Pages (from-to) | 2832-2841 |
Number of pages | 10 |
Journal | Economic Modelling |
Volume | 28 |
Issue number | 6 |
Publication status | Published - 2011 |
Keywords
- energy industry
- production economics
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Enhancing the Scottish Government’s policy evaluation capacity
Peter McGregor (Participant), John Swales (Participant), Grant Allan (Participant), Patrizio Lecca (Participant) & Karen Turner (Participant)
Impact: Impact - for External Portal › Policy and legislation, Economic and commerce
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