water is the most essential component for sustaining lives of humans and other living creatures. supplying potable water with adequate residual pressure is a fundamental responsibility of city administration, which they do during normal conditions. but sometimes, abnormal conditions are formed resulting pressure deficient conditions during the daily operations of water distribution networks. th...

with the development of deregulated 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 benefi...

this article aims at identifying the factors involved in affecting the travel demand to iran. the hypothesis of the research specifies the variable of “domestic social unrest and insecurity” as the most significant obstacle that stands against an expansion of the demand for travel to iran. to test the above hypothesis, first several demand models that have been proposed to study demand for tour...

This study aims to analyze: 1) the development of demand for craft SMIs products through the use of e-commerce, 2) the effect of e-commerce utilization, macroeconomic conditions, prices, and the intensity of promotion on product demand, 3) the effect of e-commerce utilization, macroeconomic conditions, prices, promotion intensity, and product demand for performance; and 4) the role of product d...

while ignoring income distribution and estimating aggregate demand generally leads to aggregation bias and thus, does not reflect households’ demand properly, yet aggregation bias is rarely considered in empirical demand studies and simply is ignored in most cases. the objective of the present study is to estimate aggregation bias in households’ demand for various types of meats and to evaluate...