I guess I’ll do the honors for first post of the year once again…
An availability cascade is a self-reinforcing process of collective belief formation by which an expressed perception triggers a chain reaction that gives the perception increasing plausibility through its rising availability in public discourse. The driving mechanism involves a combination of informational and reputational motives: Individuals endorse the perception partly by learning from the apparent beliefs of others and partly by distorting their public responses in the interest of maintaining social acceptance. Availability entrepreneurs-activists who manipulate the content of public discourse-strive to trigger availability cascades likely to advance their agendas.
John Tierney notes that while 2008 may just be underway, we’re smack dab in the middle of a global warming cascade:
Read more on Global Warming Consensus Alert – Consensus Breach at the New York Times…




