The main contribution of the paper, however, is the exploration of the business model for each one, and the way each model provides an opportunity for the emergence of the subsequent structure. [...] For the most part the first generation immigrants go to recycled C i t i e s. C e n t r e. •. U n i v e r s i t y. o f. T o r o n t o T h e. E v o l u t i o n. o f. C o m m e r c i a l. S t r u c t u r e. i n. t h e. N o r t h. A m e r i c a n. C i t y :. 5 A. T o r o n t o. C a s e. S t u d y housing in older parts of the city and suburbs rather than directly to the periphery. [...] C i t i e s. C e n t r e. •. U n i v e r s i t y. o f. T o r o n t o 6. T h e. E v o l u t i o n. o f. C o m m e r c i a l. S t r u c t u r e. i n. t h e. N o r t h. A m e r i c a n. C i t y :. A. T o r o n t o. C a s e. S t u d y C i t i e s. C e n t r e. •. U n i v e r s i t y. o f. T o r o n t o 2.0 The Stages of Commercial Structure in Greater Detail 2.1. [...] The keys to success for the shopping centre are the negotiations with the anchor tenants that attracted the customers: their rents and locations within the mall, and the relationships with the other retail chains that filled up the rest of the shopping centre. [...] Taken together, the shopping centres more or less replicate the roles and spatial distribution of traditional retail clusters but with much less duplication and competition—either at the level of the mall within the community, or the store within the mall—a version of a central place system designed to minimize competition and the turnover of stores.