Annual Conference

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Corporate Finance

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May 2019

We exploit staggered municipality-level anti-mafia enforcement actions over the1995-2015 period to study the effect of organized crime on firms. At the municipalitylevel, we find that as the influence of organized crime weakens, competition andinnovative activity increase. At the firm level, existin...
Keywords: Organized Crime, Corruption, Competition, Cartel enforcement, Collusion, Money laundering
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Annual Conference

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Investment Finance

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May 2016

We uncover new return predictability in the cross-section of delta-hedged equity options. Expected returns to writing delta-hedged calls are negatively correlated with stock price, profit margin and firm profitability, but positively correlated with cash holding, cash flow variance, new shares issua...
Keywords: Cross-section of equity options, delta-hedged options, return predictability, stock characteristics, option factor model
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Annual Conference

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Sustainable and Green Finance

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May 2024

We study production responses to emission capping regulation on manufacturing firms. We find that firms reduced their pollution as they transitioned from self-generated to externally sourced electricity, shifted toward producing less coal-intensive products, and increased their abatement expenditure...
Keywords: Abatement, Firm Production, Profitability, Environmental Regulation
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Annual Conference

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Household Finance

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May 2023

While online learning has become more common including during the Covid-19 period, its effect on the education gap between rich and poor children is still unclear. Using school closures (compulsory online education) across 21 cities in Southern China during the Covid-19 pandemic as a natural experim...
Keywords: School closures, education gap, family wealth, mobile Apps, time allocation
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Annual Conference

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Investment Finance, Senior Fellows/Fellows

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May 2014

We aim to make two contributions to the literature on the effects of transaction costs on financial price volatility. First, by augmenting a double differencing approach with a research design with three ingredients (a common set of companies simultaneously listed on two stock exchanges, binding cap...
Keywords: Tobin tax, Transaction costs, price volatility, Chinese stocks
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