AbstractThe following sections are included:Systemic Risk and the Financial Crisis of 2007 to 2009Regulating Systemic RiskObstacle 1: Measuring Systemic RiskObstacle 2: Implementing the Tax on Systemic RiskObstacle 3: Is Moral Hazard Solved?The Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010Measuring Systemic RiskReducing Systemic RiskMitigating Moral HazardA Tax on Systemic RiskSummaryReferences