Everyone agrees that the recent financial crisis started with the deflation of the housing bubble. But what caused the bubble? Answering this question is important both for identifying the best short-term policies and for fixing the credit crisis, as well as for developing long-term policies...

An important reason for the Internet's remarkable growth over the last quarter century is the "end-to-end" principle that networks should confine themselves to transmitting generic packets without worrying about their contents. Not only has this made deployment of internet infrastructure cheap...

Many Americans have lost confidence in their country's energy security over the past several years. Because the United States is a net oil importer, and a substantial one at that, concerns about energy security naturally raise foreign policy questions. Some foreign policy analysts fear that...

President Barack Obama, former U.S. Senate majority leader Tom Daschle, and others propose a new government agency that would evaluate the relative effectiveness of medical treatments. The need for "comparative-effectiveness research" is great. Evidence suggests Americans spend $700 billion...

Current trends and policies imply unsustainable growth in federal Medicaid outlays. Making conservative assumptions about future growth in Medicaid enrollment and spending per beneficiary, this paper estimates that the present value of federal Medicaid outlays over the next 100 years will take...

In March 2009, President Barack Obama said, "If there is a way of getting this done where we're driving down costs and people are getting health insurance at an affordable rate, and have choice of doctor, have flexibility in terms of their plans, and we could do that entirely through the market,...

The state-of-the-art British-sponsored fasttrack assessment of the global impacts of climate change, a major input to the much-heralded Stern Review on the Economics of Climate Change, indicates that through the year 2100, the contribution of climate change to human health and environmental...

House and Senate Democrats have produced health care legislation whose mandates, subsidies, tax penalties, and health insurance regulations would penalize work and reward Americans who refuse to purchase health insurance. As a result, the legislation could trap many Americans in low-wage jobs...

The federal "sustainability standard" requires ethanol to emit at least 20 percent less carbon dioxide (CO2) than gasoline. Recent rulings by California and the Environmental Protection Agency, however, have cast doubt on the methodology of the sustainability calculus and whether those standards...

The U.S. Department of Housing and Urban Development has long been plagued by scandals, mismanagement, and policy failures. Most recently, HUD's subsidies and failed oversight of Fannie Mae and Freddie Mac helped to inflate the housing bubble, which ultimately burst and cascaded into a major...