Virtual Worlds have become serious business models and thus gained the attention of law professionals. The legal problems arising out of Virtual Worlds have started a discussion which will be summarized in this article. Moreover arguments will be delivered which can be used to protect users of those Virtual Realities.

Industry revenue for online games is surging. A unique phenomenon in this market is the significant volume of trade among game users, who exchange real money for virtual goods that do not exist in the real world. The market of virtual goods has two distinctive characteristics: 1) the resold virtual items normally involve no quality loss since the attributes are digitally defined, and 2) the gam...

We study the problem of allocating a set of indivisible items to players having additive utility functions over the items. We consider allocations in which no player envies the bundle of items allocated to the other players too much. We present a simple proof that deterministic truthful allocations do not minimize envy by characterizing the truthful mechanisms for two players and two items. Als...

In this account of the history of voting-power measurement, we confine ourselves to the concept of a priori voting power. We show how the concept was re-invented several times and how the circumstances in which it was reinvented led to conceptual confusion as to the true meaning of what is being measured. In particular, power-as-influence was conflated with value in the sense of transferable ut...

Many critics of Martha Nussbaum claim that her account the capabilities approach is a perfectionist theory does not provide unique standpoint to political justice and only complements Rawls’ conception primary goods. The purpose this article show differs from goods in sense former orientated towards ends good life, while latter means. author argues takes an intermediate position between neutral...

The effective factors on the economic growth of Iran during the first 5-year development plan are studied. The main characteristics of this period are that the first development plan began after the end of war during which some of the unused capacities of the war period were utilized. While the budget deficit was continued in this period the government also pursued policies such as devaluation ...

a r t i c l e i n f o JEL classification: F16 F43 J24 J31 O31 O33 Keywords: North–South trade Technological knowledge Human capital Wage inequality This paper develops an endogenous growth model with technological knowledge directed towards high-versus low-skilled labour, augmented with North–South international trade of intermediate goods and with human-capital accumulation, to analyse how tra...

generally, developing countries are not able to invest enough on r&d; therefore, they try to get benefit from knowledge spillover, as an external r&d.; this paper tries to investigate the impact of r&d; expenditures and imported intermediate goods, as a proxy for technology imports, on value added of iranian industries. to that end, we use a panel data set of iranian two-digit isic manufacturin...

we describe a simple model that fits well with iranian economy, and extends a methodology which chary at el. (2007) demonstrated. in addition to four traditional wedges, we introduce additional trade wedge. we then evaluate the contribution of these wedges to the fluctuations in iran during last three years. because of international sanction, trading cost increases, and firms have difficulty to...