We provide the first quasi-experimental estimates of variation in suicide impulsivity by age by examining the impact of firearm purchase delay laws by age. Prior studies of firearm purchase delay laws use traditional two-way-fixed-effects estimation, but we demonstrate that bias due to...

In an attempt to alleviate the shortfall in organs and bone marrow available for transplants, many U.S. states passed legislation providing leave to organ and bone marrow donors and/or tax benefits for live and deceased organ and bone marrow donations and to employers of donors. We exploit...

A survey of legislation from the 109th Congress pertaining to maritime security, the acquisition of US port facilities by corporations controlled by foreign governments, maintenance en route of U.S. vessels by foreign quot;riding gangsquot;, hurricane waivers of the Jones Act, the Oil Spill...

The appeal of voluntary environmental programs (VEPs) lies in their promise to mutually serve government, industry, and environmental interests since they can reduce administrative burdens, provide flexibility to decide how to implement environmental improvements, and work toward superior...

Depression in children is a controversial topic in the United States. It is an even more contentious subject when one looks at mental healthcare for children in developing nations, such as Pakistan.This article explores the cultural impact on utilization of antidepressants prescribed to children...

Substitution of petroleum fuels with biofuels such as ethanol and biodiesel has been shown to reduce greenhouse gas (GHG) emissions. These GHG reductions can be traded in the emerging carbon markets, and methodologies for quantifying and trading are still being developed. The main challenges in...

Without participation of the United States, the world's largest emitter of greenhouse gases, mitigation of global climate change seems hardly conceivable. Despite the U.S. rejection of the Kyoto Protocol and the reluctance of the Bush administration to engage in Post-Kyoto negotiations, recent...

The COVID-19 pandemic continues to grow in the United States and, in the absence of a vaccine or effective treatment, social distancing measures are essential to slow the spread of this disease. Using cellular mobility data from 2019 and 2020, I demonstrate that there have been substantial...

While public environmental law, regulation and governance have paved the traditional road towards environmental and natural resource protection, the pathway has been expanded to include a broader orbit of interest areas and regulatory tools in an effort to achieve sustainability. Through the...

This paper seeks to understand the treatment effect of Prescription Drug Monitoring Programs (PDMPs) on opioid prescription rates. Using county-level panel data on all opioid prescriptions in the U.S. between 2006 and 2015, we investigate whether state interventions like PDMPs have heterogeneous...