2 papers
econ.EM2022
A Neural Phillips Curve and a Deep Output Gap
Philippe Goulet Coulombe
Many problems plague empirical Phillips curves (PCs). Among them is the hurdle that the two key components, inflation expectations and the output gap, are both unobserved. Traditio…
stat.ML2020
To Bag is to Prune
Philippe Goulet Coulombe
It is notoriously difficult to build a bad Random Forest (RF). Concurrently, RF blatantly overfits in-sample without any apparent consequence out-of-sample. Standard arguments, lik…