abstract: on december 2010, the government of iran ended the decades-long subsidy program for bread and energy products and launched the targeted subsidy reform program that considerably raised prices of food products. the objective of the study was to measure welfare impacts of food price changes on iranian urban households between two survey data of 2009/10 and 2011/12 which were taken from i...

Abstract Whereas most indicators for food systems performance only focus on outcomes, we explore the prospects a kind of Food Systems Index (FSI) that tries to capture several key components influence differences in system at country level. We outline theoretical foundations and methodological approach underlying FSI framework illustrate its relevance understanding major characteristics. theref...

Before the COVID-19 pandemic it was widely reported that, in United States, over 40 percent of food produced wasted. During pandemic, news reports have described unprecedented household waste, up by 30 according to Republic Services, one largest waste management services US (Helmer 2020). But upstream, was, and continues be, equally problematic. When institutions such as schools universities, l...

food safety issues are not a new issue in science, but due to the dynamic changes in the modern world it is as equally important as decades ago. the aim of the study was to address the efforts in the development of a comprehensive food safety system in serbia, and make specific recommendations regarding the improvement of epidemiological investigation capacity as a useful tool which contributes...

The food chain refers to a natural system by which energy is transmitted from one organism to another. In fact, a food chain consists of producers, consumers and decomposition. Presence of complex food web increase the stability of the ecosystem. Classical food chain theory arises from Lotka-Volterra model. In the present paper, the dynamics behavior of three level food chain is studied. A syst...

Abstract Recent years have seen widespread calls to transform food systems address complex demands such as feeding a growing global population while reducing environmental impacts. But what is system and how can we most effectively work change it? “Food System” be found describing more limited dietary regimens well sector-specific supply chains going back the 1930s, but its use describe very la...