Discussion Papers,
Statistics Norway, Research Department

Abstract: The paper analyses the price on domestic market for an aggregate commodity produced by Norwegian private mainland economy. The long-run solution is modelled assuming imperfect competition. The elasticities with respect to unit labour costs and competing prices vary with an indicator for competitive strength in domestic market. I consider two models for the dynamic part of the equation. Model A is a conditional ECM in current and lagged variables. Model B is derived from a multiperiod quadratic loss function which introduces rational expectations to the model. The backward-forward restrictions are not rejected. The estimated elasticities for both models are in line with the previous empirical results for the Norwegian economy. Model A is preferred to Model B, partly on the basis of informal encompassing results.

Keywords: Domestic prices; Imperfect competition; Time-varying elasticities; Multiperiod loss function; Rational expectations; Error correction models

JEL-codes: C22; D43; D84 August 1995

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