one of the specific aspects of our time is the existence of world trade organization as an important international center. this organization regulates the commercial laws among the countries, and tries to provide a suitable environment for trade by eliminating the subsidies using protection policies and making a better condition for competition. in order to achieve this objective, the economic ...

food security has a dynamic notion during the time and may be affected by various domestic and global factors.nevertheless, iranian policy makers consider food security as same as self-sufficiency in agricultural food products, particularly wheat production. however, self-sufficiency can contribute to food security only if it is in coincidences with comparative advantage and sustainable resourc...

We document three facts: (i) Higher educated workers are more likely to moonlight; (ii) conditional on education, with higher wages less and (iii) the prevalence of moonlighting is declining over time for all education groups. develop an equilibrium model labor market explain these patterns. A dominating income effect explains negative correlation productivity in cross section downward trend ti...

One of the specific aspects of our time is the existence of World Trade Organization as an important international center. This organization regulates the commercial laws among the countries, and tries to provide a suitable environment for trade by eliminating the subsidies using protection policies and making a better condition for competition. In order to achieve this objective, the economic ...