Despite the fact that in some parts of the world private supplementary tutoring is a huge industry with far-reaching economic, social and educational implications, the topic has been neglected by educational researchers. This paper focuses on the nature and determinants of demand for private supplementary tutoring. It first draws on literature from a wide range of countries to identify some con...

Increasing evidence from the empirical economic and psychological literature suggests that positive and negative well-being are more than opposite ends of the same phenomenon. Two separate measures of the dependent variable may therefore be needed when analyzing the determinants of subjective well-being. We investigate asymmetries in the effect of income on subjective well-being with a single-i...

the data for this study has been collected from a questionnaire examining the relationship between birth weight of the new born and some physical and socio-economic characteristics of the mother. between dec.1975 to jan.1976, 1553 women who had referred to two hospitals in tehran for labor: 981 to farah maternity and 572 to firoozgar hospital have been interviewed. the results of the study have...