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The Value of Big Data in a Pandemic

Kairong Xiao, May 05, 2021

This article summarizes a study of the economic and public health effects of the Health Code app in China. By exploiting the staggered implementation of this technology across 322 Chinese cities, this study finds that the Health Code app significantly reduced virus transmission and facilitated economic recovery during the COVID-19 pandemic. A macroeconomic susceptible-infectious-recovered (SIR) model calibrated to the micro-level estimates shows...

Beyond the Fundamentals: How Media-Driven Narratives Influence Cross-Border Capital Flows

Isha Agarwal, Wentong Chen, Eswar Prasad, Apr 02, 2025

We provide the first empirical evidence on how media-driven narratives influence cross-border institutional investment flows. Applying natural language processing techniques to 1.5 million newspaper articles, we document substantial cross-country variation in sentiment and risk indices constructed from domestic media narratives about China in 15 countries. These narratives significantly affect portfolio flows, even after controlling for macroeconomic and financial fundamentals. This impact is smaller for investors with greater familiarity or private information about China and larger during periods of heightened uncertainty. Political and environmental narratives are as influential as economic narratives. Investors react more sharply to negative narratives than positive ones.

The Pre-Announcement Drift in China: Government Meetings and Macro Announcements

Jun Pan, Qing Peng, Mar 20, 2024

Confirming Chinese equity market is policy-driven, this study reveals a significant pre-Govt return before top government meetings, akin to the US pre-FOMC drift. It highlights the market's anticipation of these events and their impact on asset pricing, underscoring the centralized financial system in China.

Early Childhood Exposure to Health Insurance and Adolescent Outcomes: Evidence from Rural China

Wei Huang, Hong Liu, Jul 19, 2023

We examine the impact of early-life exposure to public health insurance, the New Cooperative Medical Scheme (NCMS), on outcomes in adolescence in rural China.

Sharing the Entrepreneurial Wealth?

Josh Lerner, Junxi Liu, Jacob Moscona, David Yang, Jun 12, 2024

This article discussing the emergence of China in the field of innovation and entrepreneurship is reshaping the global entrepreneurial landscape, paving novel ways for achieving a broader wealth sharing.