Graphs Quotes

“What if we looked at the law as a piece of software, the operating system of the United States of America. After all, laws play the same role as software in providing instructions for a given system - if this, then that, and so on. If a team of software engineers was asked to analyze the entire body of federal law, they would see tens of thousand of pages of poorly documented code, with a multitude of complex, spaghetti-like interdependencies between the individual components. Could the principles of good software design be used to improve the way we write financial regulations?

Li, William, Pablo Azar, David Larochelle, Phil Hill, and Andrew W. Lo. 2015. 'Law Is Code: A Software Engineering Approach to Analyzing the United States Code.' Journal of Business and Technology Law 10: 297.

A useful feature of network graphs if the ability to model contagion. Like an epidemiologist studying the spread of a contagious disease from its point of origin, we should identify the potential linkages through which a financial crisis may travel.

Billio, Monica, Mila Getmansky, Andrew W. Lo, and Loriana Pelizzon, 2012. 'Econometric Measures of Connectedness and Systemic Risk in the Finance and Insurance Sectors.' Journal of Financial Economics, 104: 535-559.

This approach can also be used to measure the network of banks, insurance companies, and sovereign nations. The idea is to see how macroeconomic problems facing countries might get transmitted to the financial system and vice versa.

Billio, Monica, Mila Getmansky, Dale Gray, Andrew W. Lo, Robert C. Merton, and Loriana Pelizzon. 2016. 'Granger-Causality Networks of Sovereign Risk.' Working Paper, MIT Laboratory for Financial Engineering.”
― Andrew W. Lo, Adaptive Markets: Financial Evolution at the Speed of Thought