We present the first evidence of motivation crowding in real purchasing decisions from a field experiment in a large supermarket chain. We compare three instruments aiming to induce climate friendly choices: labels, subsidies, and product bans and neutrally framed versions of the latter two....

Externalities from the production and consumption of meat could be addressed by a meat tax. In a referendum choice experiment with 3,169 participants, we elicited support for a meat tax varying the following characteristics: tax level, justification of the tax, degree of differentiation and...

Beliefs about future allowance prices in cap-and-trade schemes are heterogeneous and not necessarily fully informed. This paper shows how carbon-market design affects the impact of noise traders on equilibrium prices. Price-based flexibility mechanisms encourage arbitrage by rational traders and...

This paper presents a two-wave survey experiment on self-image concerns in voting. We elicit votes on a ballot initiative in Switzerland that spurred campaigns involving widely shared normative values. We investigate how messages that change the self-signaling value of a Yes vote affect...

The European Union's push towards market-based procurement of redispatch services has sparked fears of so called Inc-Dec-Gaming, i.e. the incentive to engage in arbitrage between the national wholesale market and the local redispatch market. The latter would increase both likelihood and severity...