Paper sharing | The informal economy at times of COVID-19 pandemic

Mar 20, 2025·

Zihao Viston Wang

· 1 min read

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Introduction

This study, authored by Professor Guo Feng from Shanghai University of Finance and Economics, is published in the China Economic Review. It primarily employs machine learning and empirical methods for causal inference, utilizing data from Ant Financial to assess the conditions of offline small and micro operators in the informal economy during the COVID-19 pandemic.