Description: This essay addresses ways to reduce 'negative externality' types of systemic risk. A negative externality is defined as a transaction between two parties that results in costs which accrue, in part, to one or more third parties, e.g., to society as a whole.

Description: Applies the economic concept of negative externality (where firms profit but create unacceptable social costs) to systemic of financial institutions. Identifies alternatives to the traditional (Pigou) response of taxing the firm.