Key Findings
Impact on Jewish-Connected Firms
Firms with Jewish board members experienced negative returns during initial antisemitic events but showed higher returns during Dreyfus' rehabilitation period after J'Accuse! in 1898
Financial Market Response
During the two years following J'Accuse!, investors holding Jewish-connected stocks earned excess returns of 14.1% compared to other stocks
Media Influence
Pro-Dreyfus media coverage positively impacted Jewish-connected firm returns, while anti-Dreyfus coverage had negative effects
Stock Returns Before and After J'Accuse!
- Jewish-connected firms experienced -0.073% daily returns before J'Accuse!
- After J'Accuse!, returns increased to +0.158% daily
- Pattern holds true for both percentage of Jewish board members and Jewish CEO measures
Jewish Board Representation by Sector
- Gas/Electricity sector had highest Jewish representation at 16.4%
- Railways/Transport showed 7.1% Jewish board membership
- Banking/Insurance had lowest representation at 4.6%
Stock Performance Around Key Events
- Panama revelations caused -3.07% abnormal returns
- Dreyfus' degradation led to -4.37% returns
- Waldeck-Rousseau appointment resulted in +11.34% returns
Contribution and Implications
- First study to quantify how antisemitic sentiment affects financial markets in real-time
- Demonstrates how social biases can create arbitrage opportunities in financial markets
- Shows that media coverage can influence the debiasing of discriminatory beliefs
Data Sources
- Returns chart based on Table 3, showing daily and monthly returns before/after J'Accuse!
- Sector representation chart based on Table 1 Panel (a), showing Jewish board membership by sector
- Event performance chart based on Table 2, showing cumulative abnormal returns around key events