ANALYZING THE IMPACT OF PUBLIC CAPITAL STOCK USING THE NEG WAGE EQUATION: A SPATIAL PANEL DATA APPROACH
ABSTRACT This paper examines the relationship between the level of public infrastructure and the level of productivity using panel data for the Spanish provinces over the period 1985–2004, a period that is particularly relevant due to the substantial changes occurring in
the Spanish economy at that time. The underlying model used for the data analysis is based on the wage equation, which is one of a handful of simultaneous equations which when satisfied correspond to the short‐run equilibrium of New Economic Geography (NEG) theory. This is estimated
using various spatial panel models with either fixed or random effects to allow for individual heterogeneity. Using these models, we find consistent evidence that productivity depends directly on the public capital stock endowment of each province, but also there is evidence of negative spillover
effects from changes in capital stock in neighboring provinces.
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Document Type: Research Article
Department of Public Finance and Fiscal System, Universidad Complutense de Madrid, Campus de Somosaguas s/n., Pozuelo de Alarcón, 28223 Madrid, Spain.
Department of Economics, Strathclyde University, Sir William Duncan Building, 130 Rottenrow, Glasgow G4 0GE, Scotland.
Publication date: 2012-08-01