Nutrients are the number one water pollution problem for U.S. lakes, reservoirs, and ponds. Excessive nutrients, such as nitrogen and phosphorus, lead to eutrophication, a condition that can include low oxygen levels, noxious algal blooms, and fish kills. Since eutrophication is a condition that...

Advertising expenses have been deductible ever since the income tax was enacted in 1913. Over the years, however, a number of analysts have questioned advertising's tax status. According to some, advertising creates intangible capital and should, therefore, be capitalized and amortized like...

Integrated Solid Waste Management systems consist, in order of their occurrence, of source reduction, recycling, composting, combustion, and landfilling. Present theory and practice emphasize recycling as the stage with the greatest potential for dealing with the problem of rapidly growing solid...

Renewable portfolio standards (RPS) are the most popular U.S. state-level policies for promoting deployment of renewable electricity (RES-E). While several econometric studies have estimated the effect of RPS on in-state RES-E deployment, results are contradictory. We reconcile these studies and...