Abstract Forecasting of crude oil price plays a crucial role in optimization of production, marketing and market strategies. Furthermore, it plays a significant role in government’s policies, because the government sets and implements its policies not only according to the current situation but also according to short run and long run predictions of important economic variables like oil price...

within the components of communicative competence, a special emphasis is put on the “rules of politeness,” specifically the politeness strategies (brown and levinson, 1978) that speakers deploy when performing the request speech act. this is because the degree of imposition that making a request places upon one’s interlocutor(s) has been seen to be influenced by several factors among which, as ...

Abstract One of the major problems of developing governments, such as those of OPEC member states, is the government deficit and rising public debt. One of the reasons for this public debt is government policies faced with income inequalities. The opposite side said that the increased income inequality can lead to capital accumulation and thus increase production and tax payments and reduce go...

Introduction and Background: With the ever-increasing superiority of neoliberalism views and decreasing government investments in public affairs since the 1980s, the functional and ownership roles of the government have been reduced. These functions replaced by the actively growing roles of corporations and nongovernmental institutions in space development and management. For instance, the inde...

abstract: about 60% of total premium of insurance industry is pertained?to life policies in the world; while the life insurance total premium in iran is less than 6% of total premium in insurance industry in 2008 (sigma, no 3/2009). among the reasons that discourage the life insurance industry is the problem of adverse selection. adverse selection theory describes a situation where the inf...

the present study is paid to the evaluation of the welfare program of the unemployment insurance in iran. the main purpose which was the main reason for performing this thesis, was the unemployment insurance plan’s challenges in iran such as financial problems of this plan, prolongation of the credit receipt for some insured people, unemployment slow exiting from the unemployment insurance fund...