As online social media have become a global phenomenon, popular sites have been translated into many languages. However, since many social media sites rely on crowdsourced translation, privacy-critical pages are not always translated into all languages in which the sites are offered. In this paper, we examine whether or not privacy settings, privacy policies, and terms of service pages have bee...

Social justice is a concept of fair and just relations between the individual and society. This relation will assay by the government, according to fair distribution of opportunities and facilities. After 20 century, there was always emphasis on the role of states as social justice's agents in society by formulating and implementing of policy. The main question is what is the place of social ju...

President Clinton has proposed creating larger social security funds and investing a portion of them in the private sector. Others have suggested more radical reforms such as moving social security from a defined-benefit scheme to a definedcontribution plan based on the Chilean model. These proposals are based on the goal of creating higher investment returns, which would make social security b...

Redistributive taxation and education subsidies are common policies intended to foster education attendance of poor children. However, this paper shows that in an intergenerational framework, these policies can raise social mobility only for some investment situations but not in general. I also study the impact of both policies on the aggregate skill ratio and inequality. While redistributive t...