Levy, Daniel C.; Mayer, Tamir; Raviv, Alon - 2022 - Last revision: February 13, 2022
working papers covering the 1999-2016 period. We find that academic scholars as a group were insufficiently engaged in crises … analyses methods of Latent Dirichlet Allocation and dynamic topic modelling algorithms, to analyze the texts of 14,270 NBER …