Trade Bloc: A trade bloc is a type of intergovernmental agreement, often part of a regional intergovernmental organization, where regional barriers to trade, (tariffs and non-tariff barriers) are reduced or eliminated among the participating states. For example: European Union (EU), NAFTA, SAFTA etc. Legitimacy Theory: “Legitimacy is a generalized perception or assumption that the actions of an entity are desirable, proper, or appropriate within some socially constructed system of norms, values, beliefs, and definitions” (Suchman, 1995, p. 574, emphasis in original) Legitimacy theory has become one of the most cited theories within the social and environmental accounting area. Yet there remains deep skepticism amongst many researchers that it offers any real insight into the voluntary disclosures of corporations.