What do markets for voluntary climate protection imply about people's valuations of en- vironmental protection? I study this question in a large-scale field experiment (N=255,000) with a delivery service, where customers are offered carbon offsets that compensate for emissions. To estimate...

The Paris Agreement aims at limiting the global average temperature increase to well below 2°C above preindustrial levels. A key component of the agreement are "nationally determined contributions" (NDC). For this, non-state actors such as civil society groups, economic actors, and subnational...

Every year between 2000 and 2010, our planet lost native forests roughly the size of Costa Rica. (FAO, 2010). This rapid deforestation has dramatically changed the chemical composition of the world's atmosphere, the level of biodiversity, and the presence of vegetation key to maintaining...

Endogenous firm location is analyzed in a discrete two-region-two-firm model of product differentiation. In a non-cooperative game, two regional governments first decide on the imposition (or lifting) of domestic production standards; firms then choose technology (clean or polluting), location...