Abstract: Collective efficacy in public sphere is defined as a sense of collective belief and anticipation through shared mutual trust and social cohesion among residents when coordinating and integrating their resources in concentrated endeavors to specific situational goals. There are a lot of peculiar methods of measurement and consequences of collective efficacy in public sphere. The antecedent variables of collective efficacy include social identification, socioeconomic status and social participation. The consequences and impacts of collective efficacy can be divided into three fields: public safety, political behavior and public health. At last, the paper pointed out four prospects for the future research.

Key words: collective efficacy, antecedent variables, public sphere, collective action