Carbon taxes are a prominent policy instrument for decreasing the consumption of CO2-intensive goods in order to reduce the negative external effects involved in the production or consumption of such goods. A tax leads to higher consumer prices, which typically lowers consumption. However, in...

The provision of feedback about individual electricity consumption is a widely used approach to promote pro-environmental behavior. This form of feedback typically invokes social comparisons by informing households about their aggregate electricity consumption relative to others. While previous...

Feedback interventions are considered a promising instrument to promoteenergy conservation among households and thus, to mitigate climate change. Need. However,it remains unclear whether their effectiveness can be increased by incentivizing thepursuit of energy-savings goals. In this paper, we...

We study the effect of repeated opportunities to behave pro-socially on aggregate pro-social behavior in two laboratory experiments and in field data on charitable giving. In the first experiment we show that two consecutive pro-social decisions (implemented as donations to a charity) lead to...