China's environmental regulators have sought to reduce the Yangtze River's water pollution. We document that this …, the regulation has focused on reducing one dimension of water pollution called chemical oxygen demand (COD). Thus, local …

This article proposes and evaluates four hypotheses about US pollution and environmental policy over the last half … century. First, air and water pollution have declined substantially, although greenhouse gas emissions have not. Second …, environmental policy explains a large share of these trends. Third, much of the regulation of air and drinking water pollution has …

Using the most comprehensive data file ever compiled on air pollution, water pollution, environmental regulations, and … air pollution regulations were effective at reducing ambient concentrations of particulate matter, sulfur dioxide, and … nitrogen dioxide. The most successful air pollution regulation is associated with a modest and statistically insignificant …

, and polls for decades have listed water pollution as Americans' number one environmental concern. We assess the history … pollution has fallen since these laws, in part due to their interventions. Second, investments made under these laws could be … more cost-effective. Third, most recent studies estimate benefits of cleaning up pollution in rivers and lakes which are …

We study the relationship between water nutrient pollution and U.S. agriculture using data between the early 1970s and …

novel data, an innovative noise pollution model, and quasi-experimental methods borrowed from environmental economics to … solve this puzzle. We find consistent evidence that vessel noise pollution from international shipping has lowered fertility … and raised the mortality of the SRKW significantly. Had noise pollution remained at its pre-1998 levels, the SRKW …

This paper explores the empirical effects of decentralization on environmental quality by studying water pollution in … rivers around the world. It examines the level of pollution and variation in pollution across jurisdictions within a country …, for both a local and a regional pollutant. Federal countries exhibit greater interjurisdictional variation in pollution …

may have benefits, it may also have costs with pollution spillovers across states. This paper estimates these costs …

changed the local political promotion criteria and hence incentivized local officials to reduce border pollution along … specific criteria. Using a difference in difference approach, we document evidence of pollution progress with respect to …