Author(s)

• Macartan Humphreys
• William Masters
• Martin Sandbu

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Abstract

Despite a widespread trend towards the adoption of increasingly participatory approaches to political decision-making in developing countries there is little or no evidence that these practices in fact return the benefits attributed to them. We present an empirical investigation into one specific worry-that participatory decision processes may be vulnerable to manipulation by elites. We report on a field experiment on the effects of leaders, drawing on a unique nationwide experiment in democratic deliberation in Sao Tome and Principe. In these deliberations, meetings were moderated by discussion leaders who were randomly assigned to run meetings around the country. The randomization procedure provides a rare opportunity to identify the impact of leaders on the outcomes of group deliberations. We find that leadership effects were extremely large, in many cases accounting for over one third of all variation in the outcomes of the national discussions. These results have important implications for the design of such deliberative practices. While the total effect of leadership cannot be assessed, it is possible to observe leadership effects and to correct for variation in outcomes of meetings.