Deforestation has long been heavily studied; several proximate and underlying causes behind the global decrease of forest extent have been discussed. However, systematic analyses of positive examples are sparse, even if forestation is happening in almost 70 countries (on approximately 40% of the...

In order to facilitate the use of biodiversity indicators in policy making at the country level, a few and well-established indices should be suggested. Promising candidates include biodiversity-related indices of the Convention on Biological Diversity; therefore I evaluate their current use and...

This paper explores how a principal with time-inconsistent preferences invests optimally in technology or capital. If the current principal prefers her future self to save more, she can increase current investments complementary to future savings and decrease investments in the strategic...

Conventional wisdom argues that environmental policy is less costly if environmental policy induces the development of cleaner technologies. In contrast to this argument, we show that the cost of environmental policy (a reduction in emissions) may be larger with induced technical change than...