A group of agents wants to reform the status quo if and only if this is Pareto improving. Agents have private information and may have common or private objectives, which creates a tension between information aggregation and minority protection. We analyze a simple voting system - majority rule...

Climate change is one of the most important challenges for the present generation, which is living in decades characterized by a drastic increase in greenhouse gas emissions, especially in the most developed countries: not only the production realities - for which policies already largely...