Who Dominates the Coalition? Frame Salience and Public Support for Policy–Democracy Protest Coalitions under Authoritarian Rule

Abstract How does the public support a coalition in which pro-democracy advocates and policy-based protesters join forces in street protests? When policy-based and pro-democracy groups protest together, they create a collective action frame that includes a policy component and a democracy component. In this article, I develop the frame salience theory, arguing that support for a policy–democracy protest coalition depends on which component of the joint frame is perceived to be more dominant. I argue that in authoritarian regimes, the policy component typically dominates the coalition because it is more accessible and available to the public. This perception shifts public support for the alliance towards the baseline level of support for the policy movement. In other words, public support for the alliance defaults to the baseline level of support for the policy movement. I find evidence for my argument using a survey experiment administered to 1,209 Vietnamese respondents. This article highlights a dilemma pro-democracy groups face: joining policy-based movements may boost support, but sustaining democracy after the protest becomes challenging.