Fault tree Analysis Graph and Signed DiGrap for case ( The weekend that changed Wall Street)
Write down the sequence of events/failures starting with the instigating event/failure( The weekend that changed Wall Street).Then create Fault tree Analysis graph. Make sure you write down the feedback loops: if A causes 8 and B causes C and C feeds back and affects A, but also D, etc. 2)create Signed DiGrap graph for wall street failure