Gravity Modeling and its Impacts on Location Analysis

摘要: Throughout the 20th century, geographers have developed a variety of models that assist public and private entities in locating facilities from factories to emergency services. In area retail location analysis, early gravity William J. Reilly David L. Huff played pioneering role delineating trade areas modeling many other kinds spatial interaction. Their fundamental insight was customers do not necessarily shop at closest store, but patronize locations proportion attractiveness centers inverse their distance. this chapter, we elucidate history, structure, significance these models.