in recent years, in iran and other countries the power systems are going to move toward creating a competition structure for selling and buying electrical energy. these changes and the numerous advantages of dgs have made more incentives to use these kinds of generators than before. therefore, it is necessary to study all aspects of dgs, such as size selection and optimal placement and impact o...

Using the case of Vietnam, this paper proposes an industrial organisation model food distribution system in developing countries. Since most work field has adopted empirical approach, will instead focus on a theoretical based theory imperfect competition applied agricultural economics. We introduce two channels product differentiation linked vertically by demand, and study quantity flow from sm...

We present a preferential attachment growth model to obtain the distribution P (K) of number of units K in the classes which may represent business firms or other socio-economic entities. We found that P (K) is described in its central part by a power law with an exponent φ = 2+b/(1−b) which depends on the probability of entry of new classes, b. In a particular problem of city population this d...

The global financial crisis and ensuing weak growth have increased interest in macroeconomic issues within comparative political economy (CPE). CPE, particularly the dominant Varieties of Capitalism approach, has based its analyses on mainstream economics, which limits analysis relation between distribution neglects role finance plays modern economies. It overstates stability capitalist process...