differences along standard socio demographic dimensions: age, race, gender, education, marital status income and geography. I also … the poor at any moment, but income growth doesn't matter. Education and racial differences are also consequential, though …

esthetics program has the effect of improving depression or low self-esteem to increase psychological and physical satisfaction …, which is a good way to raise the happiness index of the elderly. However, there is a lack of esthetics education or … innovation through esthetics education to increase the happiness index of the elderly. As a research method, a self …

students' social network. We investigate data on European adolescents from the Health Behaviour in School Aged Children survey …

students’ social network. We investigate data on European adolescents from the Health Behaviour in School Aged Children survey …