Involving the people directly in decisions on public funding is increasingly shaping politics around the world.

From university-run initiatives in Rosario in Argentina, to Porto Alegre in Brazil, to citizens-initiated referendums Aarau in Switzerland - there are many different approaches to participatory budgeting. In some countries, such as Germany or Italy, financial decisions are beyond the reach of citizens.

How do you make your voice heard on financial matters? What are the benefits and disadvantages of advisory participatory budgeting and binding financial referendums?