Abstract
Academic research in the USA and more recently in the UK and Sweden, has highlighted public capital as a significant growth determinant. Public capital, it is argued, has a positive effect on private sector output, productivity and capital formation. However, controversy surrounds the empirical results emerging from this literature. Much of the controversy rests on research methods employed. Adds to this body of literature in two ways. First, estimates aggregate production functions for private sector output using Irish data. The stock of public capital is included as an input to investigate the effects of government investment on private sector productivity. Second, uses modern time‐series techniques to test the hypothesis. Employs the Johansen (1988) cointegration testing procedure and error correction modelling on annual data for the period 1958‐1990. These modern techniques produce empirical results which do not support the public capital hypothesis. Suggests several reasons to explain this outcome, and outlines possible policy implications.
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