title: [One is poor:  is one born poor or does one become poor?  An essay on the importance of longitudinal data in the analysis of poverty].
authors.forename: C
authors.initials: C
authors.lastname: Le Bourdais
mesh_terms: D000569:Americas; D002170:Canada; D003625:Data Collection; D003710:Demography; D019049:Developed Countries; D003906:Developing Countries; D004467:Economics; D007182:Income; D008137:Longitudinal Studies; D009656:North America; D011203:Poverty; D011640:Public Policy; D012106:Research; D012923:Social Class; D012946:Social Welfare; D012959:Socioeconomic Factors; D013223:Statistics as Topic; D014481:United States
keywords: Americas; Canada; Data Analysis; Data Collection; Data Sources; Demographic Analysis; Developed Countries; Developing Countries; Economic Factors; Income--changes; Longitudinal Studies; Low Income Population; Microeconomic Factors--changes; North America; Northern America; Policy; Poverty--determinants; Research Methodology; Social Class; Social Policy; Social Welfare; Socioeconomic Factors; Socioeconomic Status; Studies; United States