Regulation of goods associated with negative environmental externalities may decrease consumption of the targeted product, but may be ineffective at reducing the externality itself if close substitutes are left unregulated. We find evidence that plastic bag bans, the most common disposable bag...

In recent decades, we have seen in Latin America an increase in the use of conditional cash transfer programs to fight poverty. Although these programs can be effective to improve the welfare of the poor in the short term and to guarantee a certain basic health care and education, they can also...