Authors: Franziska Disslbacher, Martin Haselmayer, Lukas Lehner, Severin Rapp, and Franziska Windisch
Institution: Stone Center Working Paper Series no. 112
Date: October 2025
Abstract:
This paper investigates how participation in a citizens’ assembly affects individuals’ redistributive preferences and (perceived) role in democracy. We implement a pre-registered field experiment embedded in a real-world citizens’ assembly on wealth inequality in Austria. Using a three-group-design comparing assembly participants, non-selected volunteers, and a population sample, we isolate the causal effects of taking part in a citizens’ assembly from self-selection into participation. We find that while participating in the citizens’ assembly substantially improves factual knowledge about the wealth distribution and promotes convergence around specific tax policy proposals, notably a EUR 1 million allowance, it has no measurable effect on political efficacy or broader civic engagement. We also document significant political self-selection: individuals willing to participate in the citizens’ assembly were already more engaged and supportive of redistribution than the general population. These findings suggest that while deliberative formats can foster informed convergence on policy proposals, their ability to mobilize broader publics is limited – especially if they primarily engage the already supportive and, as in this case, lack institutional anchoring that might facilitate spillover into more institutionalized political arenas.
