Previous work in the demand for freight transportation has focused in the rail-truck substitution problem, leaving aside the prior own-account versus third-party trade-off, often found in transportation decision-making. The purpose of this paper is to analyze shippers’ behavior relative to...

In this paper, the relationship between technological change and the labour market is analysed using a growth model. Economic growth is generated by private investment in human capital, which is the heart of technological change. The model developed in this paper resembles the model of Lucas...