In this paper we examine the empirical pattern of sales behaviour among the UK’s seven largest retail chains using a scanner dataset of weekly food prices on over 500 products over a 2.5 year period. Motivating the analysis is the question ’are products more likely to go on sale that longer...

This paper assesses the impact of promotional activity in the prices of food products on supermarket shelves. The study analyses a unique, high frequency panel of supermarket prices consisting of over 230,000 weekly price observations on around 500 products in 15 categories of food stocked by...

This paper assesses the role of sales as a feature of price dynamics using scanner data. The study analyses a unique, high frequency panel of supermarket prices consisting of over 230,000 weekly price observations on around 500 products in 15 categories of food stocked by the UK’s seven...

This paper is concerned with the impact of the BSE crisis in the UK and focuses on the spread between retail and farm prices. From a theoretical perspective we show that if market power has an effect on the spread between retail and farm prices then this determines the specification of the...

Commodity price shocks are an important type of external shock and are often cited as a problem for economic growth in Sub-Saharan Africa. This paper quantifies the impact of agricultural commodity price shocks using a near vector autoregressive model. The novel aspect of this model is that we...

This paper examines the Prebisch-Singer Hypothesis employing new time se- ries procedures that are robust to the nature of persistence in the commodity price shocks, thereby obviating the need for unit root pretesting. Speci…cally, the proce- dures allow consistent estimation of the number of...

This paper examines the relationship between the maize export prices of the United States and Argentina. The results suggest an asymmetric nature of price adjustment. This could be due to the fact that the maize market is characterized by significant concentration. The larger market share of...