(
University of Bonn) People contribute only very little to climate protection, because they underestimate the willingness of others to contribute. This is the central result of a new study by the behavioural economists Peter Andre, Teodora Boneva, Felix Chopra and Armin Falk, members of the Cluster of Excellence ECONtribute at the Universities of Bonn and Cologne, published as an "ECONtribute Discussion Paper".