Seit der Finanz- und Staatsschuldenkrise kursiert das Schlagwort des "systemischen Risikos". Doch handelt es sich dabei um ein ökonomisches oder um ein politisches Problem? Das Buch entwickelt ein integratives Verständnis von systemischen Risiken und beleuchtet Fragen der politischen Steuerung des globalen Finanzsystems im 21. Jahrhundert - und dabei der politischen Ordnung, Legitimität und Expertise.

Auteur
Helmut Willke ist Professor für Global Governance an der Zeppelin-Universität Friedrichshafen. Eva Becker und Carla Rostásy sind dort wissenschaftliche Mitarbeiterinnen.

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Two of the most compelling and intriguing papers on systemic risk have been published, surprisingly, in a law journal. It raises the question: What's law got to do with it? We will touch on this question later in this text and first of all focus on a second perplexing observation. These two seminal papers argue from opposite vantage points, comprehend and conjecture systemic risk in fundamentally different ways, but they contribute in exemplary ways to an enhanced understanding of the problem of systemic risk. The two texts actually lay the groundwork for a more comprehensive understanding of the causes and consequences of systemic risk. The core controversy is exemplified by the following two positions: (1) "Systemic risk is an economic, not a political, definition" (Schwarcz 2008: 204); (2) "Systemic risk must be conceived in terms of political accountability and legitimacy." (Levitin 2011: 438) These, then, are the crucial research questions: What are the reasons for conceiving systemic risk primarily as an economic problem or primarily as a political issue? And what are the arguments for an integrated approach which puts a framework of political economy center stage in delineating the context for understanding systemic risk? The different approaches, obviously, have serious consequences for the role of law. A predominantly economic approach reduces the role of law to basic premises for acceptable economic behavior, whereas a predominantly political approach calls for a dominant role of politics in safeguarding the common goods involved in financial risk taking. A political economy approach presupposes a more complicated and more sophisticated role of policy and law, at the same time accepting the limits of the regulatory power of law and the limits of the self-organizing capabilities of markets. It may turn out that systemic risk is one more instance of a variety of exceedingly complex and multifaceted societal problems which are testing the limits of democracy and of normative regulation (Ferran and Kern 2011). They challenge politics and law to develop more complex and responsive governance modes and a cognitive mode of legal authority: "A legally oriented, rule-enforcing regulator is ill-equipped to cope with a systemic crisis caused by a financial system that has outgrown the existing set of rules." (French et al. 2010: 37) In order to investigate these questions we will-after a short general introduction-first reconstruct a working definition of systemic risk. We will present the economic approach to systemic risk, then the political approach and finally expound our own political economy approach. In the course of our argument we will take advantage of the fact that the global financial crisis of 2007-2009 and the ensuing economic and fiscal crises, including the Euro-crisis, have exhibited stark instances of systemic risk and thus catapulted the topic to high priority on the agendas of major powers such as the United States (US) and the European Union (EU), global actors, institutions and organizations such as the International Monetary Fund (IMF), the Basel Committee on Banking Supervision (BCBS), the Financial Stability Board (FSB) or the International Institute of Finance (IIF). We will analyze a few of the most important responses of these actors to the challenge of systemic risk and then focus on two institutional innovations which represent protracted activities of the US and the EU in efforts to improve their capacities to review and handle systemic risk-the creation of systemic risk oversight boards in the US as well as in the EU. The formation, the proceedings and the operations of these two boards should give us an empirical-practical vantage point in assessing policy responses to systemic risk. Not surprisingly, the global financial crisis and its aftermath have provoked a tsunami of analyses, reports, position papers and a broad spectrum of research of all kinds which, instead of creating more clarity and insight, now threaten to obfuscate the core problem, which is a better understanding of systemic risk as a qualitatively new feature of global finance, as an emergent property of a highly integrated and concatenated global financial system. By adding small case studies of these new institutions which directly respond to an increased awareness of systemic risk, we aim at enriching the necessary conceptual clarifications and contestations with the complexities of real-world policy processes which try to tackle a phenomenon that is quite special insofar as it is mainly constituted and characterized by non-knowledge. Opacity, uncertainty, guesswork, ignorance and surprise are core ingredients of systemic risks. We are dealing here with variations of the black swan category since the global financial crisis in general and its embedded systemic risks in particular carry all the features of highly improbable events that have extreme impacts on entire systems and, surprisingly, seem quite obvious and predictable after the fact. However, before the fact systemic risks are subject to the dire logic of black swan events, meaning that "what you don't know [is] far more relevant than what you do know" (Taleb 2007: XXIII). Or in the words of the physicist Richard Feynman: "It is not what we know, but what we do not know which we must always address, to avoid major failures, catastrophes and panics." (Feynman, cited by Haldane and Madouros 2012: 2) Herein lies a complication of analyzing systemic risk which is still almost unnoticed in the debate-the relevance of the distinction between risk and uncertainty as originally outlined by Frank Knight (1965). According to Knight, risk is defined by uncertain outcomes in spite of certainty about the probabilities of different possible future outcomes. In contrast, uncertainty "exists in situations where we not only face variations in future outcomes, but the probabilities associated with possible future outcomes-indeed, possibly even the nature of future outcomes-are not known ex ante" (Stout 2012: 1180). Taken seriously, this consequential distinction would force us to speak of systemic uncertainties rather than of systemic risk, since systemic risk as understood in the broad discussion includes areas of risk and areas of uncertainty. In particular, the possible consequences of major risk propensities of big financial firms for the economy at large and even for political systems by definition are uncertain and not just risky. The acute difficulty of looming systemic risk for policy and political decision-making is exactly the fact that "we simply do not know" (Keynes 1937, cited by Stout 2012: 1180) what the implications and impacts of an exploding financial infection might be. In order to remain comprehensible within the ongoing debate, however, we st…