Calculations of how atoms interact could help business owners find the best places to locate their stores.
Researcher Pablo Jensen, a computational physicist at the Ecole Normale Supérieure of Lyon, France, studied the locations of businesses in that city. His goal was to determine which varieties of stores seem to draw or drive away other types of stores, much as how different kinds of atoms can attract or repel each other due to their electric and magnetic properties.
To see how well one kind of business, such as furniture stores, attracted or repelled other types of stores, such as delis or hairdressers, Jensen looked at each kind of store and then examined what other sorts of businesses were or were not found within a 300-foot radius, which he judged as a typical distance a customer accepts to walk to visit different stores. He then plugged those numbers into calculations that are normally used to study atomic interactions.
The analysis reveals promising locations throughout the city for each of the 55 different kinds of stores Jensen studied. Values might for instance prove high for a jewelry store in a particular location if there are other accessory stores nearby selling shoes or hats, but few neighboring grocery or hardware stores.
Jensen confirmed his model by looking at business data for Lyon in 2003 and 2005. He found that bakeries, for example, that were in locations the model deemed low quality in 2003 tended to fail by 2005. Meanwhile, new bakeries popped up preferentially at locations the model deemed high quality.
Jensen reports his findings in the September 2006 issue of the journal Physical Review E.
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