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Movements, not arguments

The deliberative-democracy world runs on an implicit faith: that if a process is fair and the reasoning is sound, the force of the better argument will prevail. Tiago Peixoto, who has spent more than two decades on technology and participation (at the World Bank and the University of Southampton’s Centre for Civic Futures, with Paolo Spada), calls this the Habermasian fairy tale — and argues it is exactly why so many good democratic innovations stall. This page holds that critique, because a serious field has to reckon with its sharpest friendly critics.

Take participatory budgeting, the most rigorously studied democratic innovation there is. The research record is remarkable: it raises the odds of a mayor’s re-election; it shifts spending toward sanitation, clean water and health; over time it is associated with lower infant mortality; and municipalities that adopt it collect significantly more tax, leaving roughly 40% more to invest. So citizens don’t squander the money, the politics rewards it, and it saves lives.

And yet, at its peak, with perhaps 10,000 participatory budgets running worldwide and producing exactly these dividends, it didn’t spread like wildfire. If the better argument prevailed, Peixoto notes, every city on earth would have it. “The fact that a policy is reasonable doesn’t mean it gets adopted.” The same holds for citizens’ assemblies, citizen initiatives and the rest: a strong evidence base has not, on its own, moved power.

The historical pattern is the opposite of persuasion. Every major expansion of who gets to participate, votes for women, civil rights, came not from someone conceding to a good argument but from movements that made the cost of not sharing power higher than the cost of sharing it. As Peixoto puts it, Rosa Parks — herself a trained activist — didn’t win her case by sitting in a citizens’ assembly; she defied, and sparked a movement. Power is yielded to a credible threat, not to a clever brief.

The implication is uncomfortable for the field: deliberative democracy needs to shed its antipathy to social movements, build alliances with them, and agree a shared democratic agenda. Movements may not be sufficient, but they are essential; the engineered, idealised model on its own simply doesn’t move the people who can authorise reform.

A useful distinction (which Peixoto borrows, not coins) sharpens where technology fits. Invited spaces are the ones government creates, elections, referendums, participatory budgeting. Invented spaces are bottom-up, claimed by citizens themselves, the terrain of social movements. Technology plays different roles in each: in invited spaces it lowers the transaction cost of participating (Brazil’s photo-based electronic ballot, studied by Thomas Fujiwara, let millions of poorer voters cast valid votes for the first time, shifting elected candidates, pro-poor spending and eventually health outcomes); in invented spaces its power is connecting the like-minded and overcoming the “pluralistic ignorance” that keeps people from acting together.

Peixoto’s advice to anyone building civic technology follows from all this: please, not one more deliberation platform. Start from the result, not the tool. The easy part is getting people to participate; the hard part is making participation make a difference, which means asking first why the government isn’t already responding. As he puts it, what democracy needs in its data centres isn’t “a thousand Einsteins” but “a thousand Rosa Parkses.”

This is the political-economy counterweight to the rest of the case for deliberation: it pairs with why civic-tech projects fail, the limits behind cargo-cult democracy, and the slow work of institutionalising deliberation so that a process survives the next change of government.

  • Tiago Peixoto, interview on the Democracy Innovators podcast, 2024: youtube.com/watch?v=cmHHZ1_cyeY
  • Thomas Fujiwara, “Voting Technology, Political Responsiveness, and Infant Health: Evidence from Brazil,” Econometrica, 2015
  • Brian Wampler, Michael Touchton, Paolo Spada and others — research on the fiscal, health and electoral effects of participatory budgeting