Rewarding inventors with inefficient monopoly power has long been regarded as the price of encouraging innovation. Public prescription drug insurance escapes that trade-off and achieves an elusive goal: lowering static deadweight loss, while simultaneously encouraging dynamic investments in...

Rewarding inventors with inefficient monopoly power has long been regarded as the price of encouraging innovation. Public prescription drug insurance escapes that trade-off and achieves an elusive goal: lowering static deadweight loss, while simultaneously encouraging dynamic investments in...

Phase III clinical trials are expensive, require enrolling and treating hundreds or thousands of patients at many sites. The time and cost required to do so is uncertain as is the economic value of the drug upon completion. We consider the problem of determining when and how many test sites...