temps (durée) (2) changement technologique (2) enquête (2) épargne (2) réfugié (2) papier (2) cycle de la vie (2) pays (2) innovation (2) ménage (2) firme (2) exposition (2) développement économique (2) document (2) ordre (2) public (2) Development (2) Variation (2) Travel (2) Time (2) Technological innovations (2) Refugees (2) Population (2) Political stability (2) Political science (2) Paper (2) Organization (2) Order (2) Minorities (2) Migrant agricultural laborers (2)