From: Yona Maro

When private businesses are interested in reducing corruption, they can be mobilized to take concrete steps against it. This article introduces available tools for collective action – a strategic approach to mobilizing the business community in order to fight corruption.

At its core, corruption is an institutional problem, and the institutional framework that sustains corruption must be changed. A key goal of collective action is to reduce the incentives and opportunities for corruption.
Collective action is a coordinated, sustained process of cooperation among private firms and other stakeholders. In the fight against corruption, a coalition of companies united by a set of principles and standards can have a far greater aggregate impact

File:
http://zunia.org/sites/default/files/media/node-files/fs/470409_fs_09-10-2013_jmkb_collective_action.pdf
Link:
http://www.cipe.org/sites/default/files/publication-docs/FS_09-10-2013_JMKB_Collective%20Action.pdf