@Francesco_Bia, @gprimce, Frank Schorfheide, and I wrote a #VoxEU piece on our PhD advisor, Chris Sims. It discusses what he meant for economics, and for us

Spurred by @GautiEggertsson, here is Chris Sims showing up in footnote #1 for 2 additional Nobel prize papers: Kydland and Prescott (1977) and Hansen (1982).

Famously (there is a beautiful Works in Progress piece on this) in 2016, Geoffrey Hinton told an audience in Toronto that medical schools should stop training radiologists, since AI would soon outperform them at reading scans. Ten years later, there are more radiologists than

1/Chris Sims is easily one of the most influential macroeconomists (& perhaps most influential empirical macroeconomist) of the last 50 years; he fundamentally changed thinking about monetary policy, metrics,& causality (VARs, time series models). Thread on his greatest hits🧵👇

Mi cita favorita de Sims. Una hoja de ruta para cualquier economista

Never in my lifetime has an Administration cared so little about our future and been so fiscally irresponsible. This is consistent with Republican’s crazy drunk uncle spending during pandemic year, and with Trump being the bankruptcy president. But I am still staring in horror.

More teasers: Title page plus an interesting result
Most models of production networks are static, while I analyze dynamic flows on networks. But for worst-case/H∞ performance & robustness, only frequency zero/steady state matters. (maximum singular value of Leontief inverse)