BACKGROUND To address the impact that out-of-pocket prices may have on medication use, it is vital to understand how the demand for medications may be affected when patients are faced with changes in the price to acquire treatment and how price responsiveness differs across medication classes.  OBJECTIVE To examine the impact of cost-sharing changes on the demand for 8 classes of prescription...

We study timing decisions for price change of style goods in the existence of competition. We model as a duopoly two firms which are selling their fixed stocks of an item in a given period of time. Our model differs from existing single-firm inventory models in that we explicitly consider the demand interactions through pricing decisions by two competing firms. Each firm starts with the same in...

determining production rate considering costs and revenues in order to maximize profit is one of the applied problems in small and medium size factories. mostly existing models in production planning consider production system statically and specify production rate, although the factors determining production rate include many different changes in practice. in fact, by increasing the production...

Rice plays an especial role in Iranian households' nutrition basket. The volatilities of its price during recent years caused consumers' dissatisfaction. This paper investigates spillover effects of price volatilities (at the wholesale and retail levels) in the Guilan Province rice market. The Generalized Autoregressive Conditional Hetroscedasitic (GARCH) model was used for the monthly time per...

In this paper, the price elasticity of electricity demand, representing the sensitivity of customer demand to the price of electricity, has been estimated for South Australia. We first undertake a review of the scholarly literature regarding electricity price elasticity for different regions and systems. Then we perform an empirical evaluation of the historic South Australian price elasticity, ...

Background and Objectives: Pharmaceutical expenditures are responsible for a major part of health systems’ cost. According to the WHO’s statistics, Iran is the first among the 20 countries in the world in terms of drug consumption. The first step in controlling consumption of a particular good is to identify factor inducing the relevant demands. Hence, this study aimed to identify the pattern a...