I am a postdoctoral research fellow at the Center for the Management of Systemic Risk at Columbia University, funded by a James S. McDonnell Postdoctoral Fellowship in Studying Complex Systems.

I am on the job market starting in fall 2015.

Research interests

My research aims to understand collective social phenomena, ranging from how people collaboratively create good ideas, to how the financial system undergoes crises, to how changes in behavior spread in a population. This work combines mathematical modeling with empirical studies, drawing from dynamical systems, networks, and probability as well as from statistics and data science.

Lately I have been working on fragility and economic development. An economy develops by producing more complex goods and services, which requires coordinating and combining many inputs. Fragility in the system can therefore thwart projects, cause stress, and affect long-term goal-seeking behavior. In collaboration with economists, I have been modeling these interactions and the traps and long-run effects that can result.



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Recent publications

For more, please see the publications page.

Charles D. Brummitt, Rajiv Sethi, and Duncan J. Watts. Inside money, procyclical leverage, and banking catastrophesPLoS ONE, 9(8):e104219, August 2014.

Charles D. Brummitt, Shirshendu Chatterjee, Partha S. Dey, and David Sivakoff. Jigsaw percolation: What social networks can collaboratively solve a puzzle? Annals of Applied Probability, 2014. In press. arXiv:1207.1927.

Pierre-André Noël, Charles D. Brummitt, and Raissa M. D’Souza. Controlling self-organizing dynamics using models that self-organizePhysical Review Letters, 111(7):078701, August 2013.