When firms' research can lead to potentially harmful innovations, public intervention may thwart their incentives to undertake research by reducing its expected profitability (average deterrence) and may guide the use of innovation (marginal deterrence). We compare four policy regimes: laissez...

When firms' research can lead to potentially harmful innovations, public intervention may thwart their incentives to undertake research by reducing its expected profitability (average deterrence) and may guide the use of innovation (marginal deterrence). We compare four policy regimes: laissez...

By using their financial reserves efficiently, pension funds can smooth shocks on their asset returns, and can thus facilitate intergenerational risk-sharing. In addition to the primary benefit of improved time-diversification, this form of risk allocation affords the additional benefit of...