Readingof the work onmigrationin the Middle Eastcan to outlinethe resultsof themassive development ofmigrations non-Arabs.It shows thatthese peoplegenerateand introduce changes inurban spaces.Advances inthe description of spatial mobilityand socialarising, however, remaininsufficient to understandhowthese changestake placeand the role and theplace occupiedmigrants.Indeed, there arefew studieson integrationofmigrantsin the citymodesand relations they have withits various"places"or "circles", despite the a more or lesssustainablemany of theirlocations.how these new workersand especiallyworkerswhose statutespoint legal termsaredifferent("refugees", "temporaryworkers", "undocumented migrants , "Etc.).Did they becomevisible in the cityand more specifically in some areas,and how theirpresenceputsitto the test pre-establishedsocializationorhistorically constituted?
The example of amixed economy companyhas aland developmentfraudneglected bythe literature:thereis widespreadfraud,little by little,thetop-downby imitation andaddiction, incollusionimplied.Literaturewasmoreinterested, in fact,illegalmaneuversin the eyesof the officer orprohibitedby law.But she hadnot modeledthe process by whichfraudis formed, growsand findsan end.Based onthe caseof theSEM,we propose a modelfor the dissemination offraud andwe discussits possiblegeneralization,while analyzingthe appropriateness oftraditional measures offight against fraud.