shortage of water resources and increasing demand to consumption of this scarce resource, leads to somenoticeable limitations. on the other hand, population growth and consequently, increasing demand for water in aridand semi arid regions , needs production in exchange of little amount of water consumption. to approach thisobjective, an experiment in the complete randomized blocks carried out i...

in this paper we investigated effect of economic uncertainty on money demand function of iran during(1352-1386). at first by using a general equilibrium theory it is shown that in spite of the existence of economic uncertainties, most of agents who are risk-averse consider these uncertainties when constitute their port folio. they consider money demand is a function of income, interest rate and...

We consider a supplier and a customer operating under a service agreement that requires the supplier to cover the random customer demand with high probability. To fulfill the service agreement, the supplier carries a certain amount of safety stock. The customer has some bearing on its demand variability, possibly through activities such as acquiring advance demand information, employing more so...

Market is in many respects distinct from barter. This distinction needs to be emphasized, because the conventional theory treats market and barter erroneously as the same. Barter is essentially bilateral in nature. It requires the reciprocity of supply and demand. The supplier has to demand the good that the demander of his goods offers and vice versa. Further, when both—the supplier and the de...

Peer-assisted content distribution matches user demand for content with available supply at other peers in the network. Inspired by this supply-anddemand interpretation of the nature of content sharing, we employ price theory to study peer-assisted content distribution. In this approach, the market-clearing prices are those which exactly align supply and demand, and the system is studied throug...