Many cities around the world practice some form of participatory budgeting, but even among those that do, Cascais [Portugal] is an outlier. It spends prodigiously through the system: in Paris, five per cent of the city’s annual investment budget has been allocated to participatory projects in recent years, but in Cascais, more than fifteen per cent of the budget flows through the program, and the percentage can float higher if voter turnout rises. Cascais is surprising in another way: its mayor, Carlos Carreiras, is both a champion of participatory budgeting and a member of a center-right political party. Participatory budgeting is often considered a tool of the left, but its role in Cascais suggests that it could have a broader appeal; part of the theory behind it is that citizens can be better than officials at knowing how money should be spent.
Of course, it won't solve all of our problems:
Even in the best of circumstances, participatory budgeting faces some structural limitations. Citizens can’t use it to raise the minimum wage, for instance, or to reconfigure