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Banking and Finance Law

Columbia Law School

Complexity

Publication Year

Articles 1 - 2 of 2

Full-Text Articles in Law

Why Financial Regulation Keeps Falling Short, Dan Awrey, Kathryn Judge Jan 2020

Why Financial Regulation Keeps Falling Short, Dan Awrey, Kathryn Judge

Faculty Scholarship

This article argues that there is a fundamental mismatch between the nature of finance and current approaches to financial regulation. Today’s financial system is a dynamic and complex ecosystem. For these and other reasons, policy makers and market actors regularly have only a fraction of the information that may be pertinent to decisions they are making. The processes governing financial regulation, however, implicitly assume a high degree of knowability, stability, and predictability. Through two case studies and other examples, this article examines how this mismatch undermines financial stability and other policy aims. This examination further reveals that the procedural rules …


Fragmentation Nodes: A Study In Financial Innovation, Complexity, And Systemic Risk, Kathryn Judge Jan 2012

Fragmentation Nodes: A Study In Financial Innovation, Complexity, And Systemic Risk, Kathryn Judge

Faculty Scholarship

This Article resents a case study in how complexity arising from the evolution and proliferation of a financial innovation can increase systemic risk. The subject of the case study is the securitization of home loans, an innovation which played a critical and still not fully understood role in the 2007-2009 financial crisis. The Article introduces the term "fragmentation node" for these transaction structures, and it shows how specific sources of complexity inherent in fragmentation nodes limited transparency and flexibility in ways that undermined the stability of the financial system. In addition to shedding new light on the processes through which …