The modern scientific field is developing through emergence of applied theories and middle-level theories, the number which large due to diversity cases analyzed phenomena. All this creates need for a typology concepts proposed by researchers, actually performs two tasks. First, allows present developed tools in format convenient practical use. Secondly, it makes possible reflect current trends...

The aim of this paper is to analyse the theoretical and practical plausibility, of an hypothesis, concerning the evolution of the world economy in the future. The hypothesis is the following: in years to come, the world will be divided in a few very large economical and political blocks (like the EU, in Europe), with the following characteristics: 1) geographic continuity; 2) cultural similarit...

How can econophysics contribute to economics? Since the relation between basic principles of physics and economics is not established, there is no reason why physical theories should be of any value for economic theory. While economic theories leave the physicists largely without orientation in this field, econo-physicists should orient themselves at concrete problems from economic practice rat...

There are two principal theories of why countries or regions trade: comparative advantage and increasing returns to scale. Yet there is virtually no empirical work that assesses the relative importance of these two theories in accounting for production structure and trade. We use a framework that nests an increasing returns model of economic geography featuring “home market effects” with that o...

the present research has been done in response to one question: which approach can help reducing female poverty in region 18 tehran and thus achieving urban sustainable development index? moreover, basis on hypothesis: female job empowering project can effect on economic anti-poverty trend and therefore urban sustainable development. we referred and studied theories related to subject (such as:...