In a Fisher market, a market maker sells m items to n potential buyers. The buyers submit their utility functions and money endowments to the market maker, who, upon receiving submitted information, derives market equilibrium prices and allocations of its items. While agents may benefit by misreporting their private information, we show that the percentage of improvement by a unilateral strateg...

This report provides a background analysis of the market for nisin and other commercially available antimicrobial food additives. The report concludes that there is a potential role for a new U.S.-based entity to compete with a nisin product that is cost-competitive or provides quality guarantees to satisfy U.S. buyers who have tight specifications for ingredient sourcing and food safety and qu...

emergence of new communication technologies made media industry available for small and entrepreneur media firms to enter venue, while before them the arena belonged to big media companies. now media industry includes a lot of small enterprises which market now innovations, even with limited resources, thanks to these new technologies. the same trend occurred in iranian media market too, but de...

the goal of this research is to predict total stock market index of tehran stock exchange, using the compound method of arima and neural network in order for the active participations of finance market as well as macro decision makers to be able to predict trend of the market. first, the series of price index was decomposed by wavelet transform, then the smooth's series  predicted by using...

There have been several efforts in the literature to extract as much information as possible from the financial networks. Most of the research has been concerned about the hierarchical structures, clustering, topology and also the behavior of the market network; but not a notable work on the network filtration exists. This paper proposes a stock market filtering model using the correlation - ba...

The main objective of this article is to present a comparative study of capital assets pricing models (CAPM) with extrapolating capital assets pricing models (X-CAPM) of companies admitted in Tehran Exchange Market which is accomplished for the first time by investigators of this research in Iran. Accordingly, the statistical population under study of this research includes all companies admitt...

This research through comparison study of application of ICT on marketing of agricultural crops in khozestan province, evaluate the role of such factors. The study is of applied type and the method being used is descriptive- correlational. Statistical population of this research is all agricultural experts of Khuzestan province and using Cochran’s formula , a sample size of 144 members was sele...

Optimal resource allocation by means of the price mechanism is one of the main duties of the economics. Optimum allocation is sometimes realized not through the price mechanism, but via assignment algorithms due to an insufficient number of agents on either side of the exchange. Facing the same problem, the kidney market may be considered as a type of market failure that calls for market design...

We model a duopoly in which ex-ante identical firms must decide where to direct their innovation efforts. The firms face market uncertainty about consumers’ preferences for innovation on two product attributes, and technology uncertainty about the success of their R&D investments. Firms can conduct costly market research before setting R&D strategy. We find that the value of market information ...