This paper analyses an incentive payment-based approach to improving food safety in the supply chain. It develops a principal-agent model of the food supply chain in which the principal offers heterogeneous agents a payment to implement costly additional practices to improve food safety. It is...

Using a sample comprising nearly a quarter of a million weekly prices from the largest seven supermarket chains in the UK, we present statistical evidence on two pricing practices that have attracted public interest. Analysing price dynamics before and after periods of promotional discounting...