1980- 1981-2001 aspectsociologique comparativelaw conditionssociales conditionséconomiques economia(aspectossociais) economicconditions economichistory economics economischesituatie estruturasocial(aspectoseconômicos) socialconditions socialinstitutions socialstructure sociologia sociologicalaspects sociologicalaspectsofeconomics sociologie sociologieéconomique sociology unitedstates économiepolitique