We study the impact of local competition on assortments' attractiveness. The first aim of our paper is to provide a simple and reproducible way to delineate a store trading area using widely available census data. The second aim is to develop a model of retail sales that takes into account...

The theory of human capital is one way to explain individual decisions to produce scientific research. However, this theory, even if it reckons the importance of time in science, is too short for explaining the existing diversity of scientific output. The present paper introduces the social...