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...

The global energy supply has been increasing over the years, in an effort to meet demand many of world’s poor population are being left behind. It estimated that approximately 1.4 billion people (20%) lack access electricity and 2.7 (40%) population, rely on traditional use biomass for cooking. This study reveals firewood is main type cooking used or demanded by respondents. Among various reaso...

in this study the consumption behavior of iranian urban households is analyzed for the eight main food commodities groups including cereal and its products, meat, milk and its products and eggs, fruits and vegetables, edible oils and butter, beverages, grains and nuts over 1974-2007. in this context, the flexible demand models such as quadratic expenditure, rotterdam, almost ideal demand system...

with the development of restructured power systems and increase of prices in some hours of day and increase fuel price, demand response programs were noticed more by customers. demand response consists of a series of activities that governments or utilities design to change the amount or time of electric energy consumption, to achieve better social welfare or some times for maximizing the benef...

BACKGROUND Using a large cohort of western Canadian sawmill workers (n = 28,794), the association between psychosocial work conditions and attempted and completed suicide was investigated. METHODS Records of attempted and completed suicide were accessed through a provincial hospital discharge registry to identify cases that were then matched using a nested case control method. Psychosocial wo...