This paper attempts to discern the effectivess of abatement policy and the status of current water quality in Brazil. It presents the results of a study on indicators of water quality for 13 states where systematic monitoring is undertaken. A regional, sectorial and sustainability analysis of...

We consider generalized sender-receiver games in which the sender also has a decision to make, but this decision does not directly affect the receiver. We introduce specific perfect Bayesian equilibria, in which the players agree on a joint decision after that a message has been sent ("talk and...

This paper experimentally studies two simple interventions aimed at increasing public goods provision in settings in which accurate feedback about contributions is not available. The first intervention aims to exploit lying aversion by requiring subjects to send a non-verifiable ex post...

We analyze cooperation within a company setting in order to study the relationship between cooperative attitudes and financial as well as non-financial rewards. In total, 910 employees of a large software company participate in an incentivized online experiment. We observe high levels of...

This paper demonstrates that cooperation in international environmental negotiations can be explained by preferences for equity. Within a N-country prisoner's dilemma in which agents can either cooperate or defect, in addition to the standard non-cooperative equilibrium, cooperation of a large...

The paper provides historical and analytical perspectives for the assessment of the challenges and opportunities of cattle raising activities in the transition towards a lowcarbon agriculture in Brazil. It is organized as follows. The next section presents long run historical perspectives on the...

This study presents a preliminary estimate of user costs of forestland conversion for agricultural purposes for the period 1970-80 in Brazil. In this initial version, only loss in potential sustainable wood output is considered. However, the analytical framework adopted here can be extended to...

The extent of deforestation in the Brazilian Amazon grew significantly in the last 20 years. Approximately 400,000 km2 of tropical forest were cleared from 1978 to 1998. Land conversion to pasture and crop areas were the main sources of deforestation, though the contribution of logging increased...