Yanyan Liu

IFPRI (International Food Policy Research Institut
Senior Fellow
Washington, DC 20006-1002

E-Mail: EmailAddress: hidden: you can email any NBER-related person as first underscore last at nber dot org
Institutional Affiliation: IFPRI

NBER Working Papers and Publications

May 2019Information, Mobile Communication, and Referral Effects
with Panle Jia Barwick, Eleonora Patacchini, Qi Wu: w25873
Information is a crucial ingredient in economic decision making. Yet measuring the extent of information exchange among individuals and its effect on economic outcomes is a difficult task. We use the universe of de-identified cellphone usage records from more than one million users in a Chinese city over twelve months to quantify information exchange among individuals and examine its role in urban labor markets. We present the first empirical evidence that information flow (measured by call volume) correlates strongly with worker flows, a pattern that persists at different levels of geographic aggregation. Conditional on information flow, socioeconomic diversity in the source of information (social contacts), especially that associated with the working population, is crucial and helps to p...
February 2013Group Lending with Heterogeneous Types
with Li Gan, Manuel A. Hernandez: w18847
Group lending has been widely adopted in the past thirty years by many microfinance institutions as a means to mitigate information asymmetries when delivering credit to the poor. This paper proposes an empirical method to address the potential omitted variable problem resulting from unobserved group types when modeling the repayment behavior of group members. We estimate the model using a rich dataset from a group lending program in India. The estimation results support our model specification and show the advantages of relying on a type-varying method when analyzing the probability of default of group members.

Published: Li Gan & Manuel A. Hernandez & Yanyan Liu, 2018. "GROUP LENDING WITH HETEROGENEOUS TYPES," Economic Inquiry, vol 56(2), pages 895-913. citation courtesy of

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