Steel market and particularly rod bar market play important roles in economy of countries. Economic systems are considered as complex systems which are sophisticated to be modeled mathematically. One way to model these systems is simulation and use of system dynamics. This paper models rod bar supply chain in Iran using system dynamics. Data of this research is gathered from first hand materi...

Web services refer to a family of technologies that can universally standardize the communication of applications in order to connect systems, business partners, and customers cost-effectively through the World Wide Web. Major software vendors such as IBM, Microsoft, SAP, SUN, and Oracle are all embracing Web services standards and are releasing new products or tools that are Web services enabl...

Rapid commercialization of the Internet and development of the National Information Infrastructure are likely to change the nature of retailing and commerce in profound ways. These changes pose both challenges and opportunites for AI, such as how to design intelligent assistants that help humans cope with the increasing complexities of electronic commerce. In this paper, we present the rst step...

E-commerce that has undergone an increasing trend in recent years has been regarded as the modern method for transfer of information and economic exchange.   This phenomenon brings about massive changes in most of relations between various economic institutions. Such changes have also occurred in tax systems. Hence, the present research aims to investigate effect of E-commerce on tax structure ...

Background: Due to the increasing expansion of the electronic world in all aspects, e-commerce has found its place alongside traditional transactions and in turn are of particular importance and have left a significant share in commercial contracts. This has led to significant ethical challenges. E-commerce, due to the lack of necessary legal and legal grounds, lack of proper mechanism to prote...

studying the effects of b2b e-commerce adoption on the smes process and structure is crucial for businesses. extant researches have investigated the impacts of adopting e-commerce and provided some findings, but the varied theoretical approaches have produced results that reflect the impacts of either external or internal factors of adopting e-commerce. however, these approaches did not use a c...

In riskless intertemporal choice, experimental studies suggest that a decision maker prefers smoothing a utility distribution implied by a sequence of outcomes. This paper extends, in an axiomatic framework, this notion of utility smoothing to a stochastic setting. We show that such an application can provide an axiomatic model of loss aversion in dynamic choice under uncertainty, which contras...

transportation industry is the most dynamic components of any society. in the twenty-first century, with the growth of technology and the widespread use of the internet and the emergence of e-commerce and e-business interaction and active transportation industry deserves to have a wide range of electronic services to the transportation community to take advantage of the investors of the new and...

E-commerce that has undergone an increasing trend in recent years has been regarded as the modern method for transfer of information and economic exchange.   This phenomenon brings about massive changes in most of relations between various economic institutions. Such changes have also occurred in tax systems. Hence, the present research aims to investigate effect of E-commerce on tax structure ...