The spread of COVID-19 in London: Network effects and optimal lockdowns
Journal of Econometrics, 235 (2), 2125-2154
Network Risk and Key Players: A Structural Analysis of Interbank Liquidity
Journal of Financial Economics, 141(3), 831-859
How we learned to stop counting cases and worry about network effects instead
The commuter hub was key to the spread of COVID-19 in London. The authors of the article estimate it contributed to over 42% of all London cases. When...
The Spread of COVID-19 in London: Network Effects and Optimal Lockdowns
We generalise a stochastic version of the workhorse SIR (Susceptible-Infectious- Removed) epidemiological model to account for spatial dynamics...
Contractual Externalities and Systemic Risk
The Review of Economic Studies, Volume 84, Issue 4, Pages 1789–1817.
Endogenous Contractual Externalities
We study effort and risk-taking behaviour in an economy with a continuum of principal-agent pairs where each agent exerts costly hidden effort. When...
Network Risk and key Players: A Structural Analysis of Interbank Liquidity
We model banks’ liquidity holding decision as a simultaneous game on an interbank borrowing network. We show that at the Nash equilibrium, the...
