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that some of you here today will perform that research and make those discoveries. so, allow me to close by offering my thanks, in advance, for those contributions. i hope my talk today has made it clear that the work of safeguarding our financial system will depend on these efforts and insights, which will empower policymakers to make the right decisions. references allen, franklin, and douglas gale ( 2000 ). “ financial contagion, ” journal of political economy, vol. 108 ( february ), pp. 1 – 33. bank for international settlements ( 2009 ). revisions to the basel ii market risk framework. basel, switzerland : bis, july. – – – – – – – – ( 2010 ). the basel committee ’ s response to the financial crisis : report to the g - 20 ( pdf ). basel, switzerland : bis, october. – – – – – – – – ( 2011 ). global systemically important banks : assessment methodology and the additional loss absorbency requirement. basel, switzerland : bis, november. – – – – – – – – ( 2012a ). margin requirements for non - centrally - cleared derivatives. basel, switzerland : bis, july. – – – – – – – – ( 2012b ). “ semiannual otc derivatives statistics at end - june 2012, “ bis, november, ( accessed december 18, 2012 ). bis central bankers ’ speeches caballero, ricardo j., and alp simsek ( 2011 ). “ fire sales in a model of complexity, ” massachusetts institute of technology department of economics working paper 09 – 28. cambridge, mass. : mit, april. cont, rama, amal moussa, and edson bastos e santos ( forthcoming ). “ network structure and systemic risk in banking systems, ” in jean - pierre fouque and joe langsam, eds., handbook of systemic risk. new york : cambridge university press. diamond, douglas w., and philip h. dybvig ( 1983 ). “ bank runs, deposit insurance, and liquidity, ” journal of political economy, vol. 91 ( june ), pp. 401 – 19. dow jones & company ( 2012 ). “ dow jones industrial average, “ via federal reserve bank of st. louis, fred economic data, “ dow jones averages ” data release, ( accessed december 18, 2012 ). duffie, darrell, and haoxiang zhu (