current article is allocated to the report of a research in which the income elasticities of urban families” demand for public education in time period of 2008-2013 were estimated separately according to the income deciles and by applying rotterdam demand system, it was clarified that public education is normal commodity. different size of estimative elasticities indicated that public education...

laffer curve indicates relationship between tax rate and tax income. the aim of this paper is estimating of laffer curve in iranian economy. to do so, we have used threshold regression method. empirical results indicate that since the tax rate is low (the threshold value is less than 0.0848) in two-regime model, tax rate and tax income have a significant positive relationship, but when the tax ...

Agricultural Research is one of the most important factors in agricultural development, thus, the role and importance of research is increasing. Within the past years, all developed and consequently developing countries have engaged their most attention to promote their researches indexes. This study is investigating the effect of agricultural research on the distribution of income and agricult...

16. Abstract In many poor urban areas, retail and service establishments are not abundant and those retail centers that do exist often offer lower quality products at higher prices. To compound the problem, poor households lack the personal resources that might compensate for inadequate local access. They often don't have the option of traveling to stores or other destinations beyond their neig...