Adaptation of Grocery Stores to the Post-Covid-19 Environment. The Case of Barcelona

In order to help the decision-making to the owners of grocery stores of less than 150 m(2) in Barcelona, this work presents a decision support system based in the Forgotten Effects Theory of 701 stores at the City. COVID-19 is changing consumption patterns and Grocery stores must adapt to the new reality by improving customer service, product exposure, cordiality... in order not to see their market share reduced due to the growth of online sales of food products, they also have large distributors as competitors who offer a greater variety of products to their customers since they have a much larger sales area. The focus in on the importance given in each District to the different parameters that we have determined. The experiment carried out allows us to determine the second-generation effects, which are more indirect. The results highlight the differences between the different Districts in the assessment of the different determinants of our study.