All persons in Sweden, classified as white or blue collar workers in the 1960 Population Census, were followed up for the period 1961-1973 with regard to the occurrence of cancer. The SMRs were calculated for 50 tumour sites and it was found that the crude classification of occupations into...

This paper argues that the appropriate standard for the analysis of commodity market integration is the transport cost adjusted law of one price. A threshold error correction model that incorporates that property is developed and applied to French wheat prices in the 19th century. This type of...