The purpose of this study was to examine the presentation of AIDS-related stigma and knowledge within the political context of the South African government's response to the AIDS epidemic. It was during the 2000 - 2004 period that key government officials publicly challenged the orthodox views of HIV/AIDS, with the South African president, Thabo Mbeki, actively positing the primary role of pove...

• Political media bias is an important concern. Measuring difficult. We present a novel measure based on the selective sharing of news items by politicians. new for political position outlets politicians’ items. Politicians predominantly share that are in line with their position, hence, one can infer from revealed preferences over apply our to twelve major German analyzing tweets Members Parli...

It is widely thought that news organizations exhibit ideological bias, but rigorously quantifying such slant has proven methodologically challenging. Through a combination of machinelearning and crowdsourcing techniques, we investigate the selection and framing of political issues in fifteen major US news outlets. Starting with 803,146 news stories published over twelve months, we first used su...