Webinar Series

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Pandemic

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Apr 2020

Social connections to COVID-19-affected areas increase compliance with mobility restrictions

Ben CHAROENWONG, Alan KWAN, Vesa PURSIAINEN
We study the role of social connections in compliance of U.S. households with mobility restrictions imposed in response to the coronavirus disease 2019 (COVID-19) pandemic, using aggregated and anonymized Facebook data on social connections and mobile phone data for measuring social distancing at th...
Keywords: social networks, non-pharmaceutical interventions, COVID-19
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Annual Conference

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Real Estate and Urban Economics

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May 2018

Social Capital and Mortgage Delinquency

Abdullah YAVAS, Lingxiao LI, Erdem UCAR
This study offers a simple theoretical model and empirical evidence to address the impact of social capital on mortgage delinquency. Social capital includes the norms, values, trust, and information common to a social network, which enable cooperative and shared actions. Using a new county-level dat...
Keywords: Social capital, mortgage delinquency, opportunistic behaviour, financial crisis
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Annual Conference

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Corporate Finance

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May 2022

Smokestacks and the Swamp

Arkodipta SARKAR, Emilio BISETTI, Stefan LEWELLEN, Xiao ZHAO
We examine the causal effect of politicians’ partisan ideologies on the industrial pollution decisions of constituent firms. Using a regression discontinuity design involving close U.S. congressional elections, we show that plants increase pollution and invest less in emissions abatement following...
Keywords: Political ideology, industrial pollution, reallocation, health outcomes
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Annual Conference

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Trade, Growth and Development, Senior Fellows/Fellows

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May 2022

SMEs Amidst the Pandemic and Reopening: Digital Edge and Transformation

Lin William CONG, Xiaohan YANG, Xiaobo ZHANG
Using administrative universal business registration data as well as primary offline and online surveys of small businesses in China, we examine (i) whether digitization helps small and medium enterprises (SMEs) better cope with the COVID-19 pandemic, and (ii) whether the pandemic has spurred digita...
Keywords: Small Businesses, COVID-19, Digital Economy, E-Commerce
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Annual Conference

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Investment Finance

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May 2021

Smart(Phone) Investing? A within Investor-Time Analysis of New Technologies and Trading Behavior

Andreas HACKETHAL, Alessandro PREVITERO, Benjamin LOOS, Ankit KALDA
Using transaction-level data from two German banks, we study the effects of smartphones on investor behavior. Comparing trades by the same investor in the same month across different platforms, we find that smartphones increase the purchase of riskier, lottery-type, non-diversifying assets, and of p...
Keywords: FinTech, investor behavior, financial risk-taking, lottery-type assets, investment biases, trend chasing, spillover effects
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