This paper develops an empirical model of the relationship between road traffic accidents and traffic flows. The analysis focuses on the accident externality which is mainly determined by the difference between the marginal and average risks. The model is estimated using a new dataset which...

Recent theoretical developments relating to investment under uncertainty have highlighted the importance of irreversibility for the timing of investment expenditures and their expected returns. This has subsequently stimulated a growing empirical literature which examines uncertainty and...

This paper focuses on the determinants of aggregate investment spending in the UK for the industrial and commercial company (ICC) sector. It complements recent work by Cuthbertson and Gasparro (1995), who study an augmented Tobin's q model of investment in the manufacturing sector. Important...

There are two findings that are conspicuous in almost all studies of individual wage determination. First, standard cross-section wage equations rarely account for more than half of the total variance in earnings between individuals. Second, there are large and persistent inter-industry wage...