This work focuses on a cellular system scenario of a single base station broadcasting incoming files (or users) to multiple receivers over a time-varying channel. The basestation sets a price per receiver and per file to maximize its profit. The files may or may not enter the system depending on the price of service, the delay performance and their randomly determined valuations. Under this sce...

Identification and analysis of farmers’ vulnerability associated with their risk aversion degree is one of the necessary requirements for planning and reducing impacts of drought in Iran. So, this study was investigated three risk vulnerability parameters (economic, social and technical) among wheat farmers categorized in accordance with their risk aversion degree in the Mashhad County (Iran) b...

alienation and isolation is of the concepts which is of antiquity in literature, and has been emerged as the result of unorganized political, social and economic conditions in human societies. the present paper seeks to investigate alienation, its concept and reflections in abu isaac albiri poetry.  he was living in an environment that was replete with political and intellectual struggles and r...

This research was conducted to study the effect of gender inequality on social participation of women. The method used in this research was Ex-Post Facto and survey method. The statistical population included female students in different fields of faculty of humanities and faculty of training sciences and psychology (Islamic Azad University) Garmsar Branch in 2012-2013. Research instruments inc...

Inrecent years political scientists and economists have spent considerable efforts investigating the impact of income inequality both on political institutions and social conflict (Boix 2003, 2008; Acemoglu and Robinson 2006; Geddes 2007) and on growth and development (Atkinson andBourguignon 2000). In this article I focus on the latter question: I discuss the extent to which (that is, the cond...