Introduction.........................................................................................................50 Organic farming and the challenge of sustainability ...........................................51 Political ecology as one approach to globalisation and sustainable development....53 Growth without borders ..........................................................................

In the classical model of exchange, gains from trade can be obtained if there exists a feasible allocation which each agent prefers to her endowment. There is no single accepted way of measuring these gains in terms of welfare, for interpersonal comparisons of welfare are needed. In this paper we propose a method of measuring gains from trade in terms of quantities of goods, avoiding welfare co...

how to achieve sustainable competitive advantage, the debate is in services, challenging, as known services are the intangible nature, heterogeneous and inseparable, so branding in this part with the goods sector faces different challenges and problems. therefore, this article aims to examine the factors affecting the coliseum branding tehran international fair has been made. first review the b...

Abstract Fair Trade is a global network, certification system whereby producers meet certain social, economic and environmental standards, with additional funding to improve these conditions minimum price set for their products. The literature shows the rapid spread of movements implemented by countries who want fair trade, prices high quality present research demonstrates need implementation m...