Egon Franck’s research while affiliated with ETH Zurich and other places

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Publications (158)


Expectational reference points and belief formation: Field evidence from financial analysts
  • Article

January 2025

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7 Reads

Journal of Economic Behavior & Organization

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Raphael Flepp

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Egon Franck




Overshadowed by Popularity: The Value of Second-Tier Stars in European Football

July 2023

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59 Reads

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5 Citations

Journal of Sports Economics

While second-tier stars lack popularity compared to superstars, their marginal contribution to team performance on the pitch relative to that of superstars is unknown. Relying on league-specific preseason market value distributions to define superstars and second-tier stars, we compare the marginal contributions of superstars and second-tier stars to team performance on the pitch in the top five European football leagues. Examining the impact of unexpected injury-related absences, we find that second-tier stars’ marginal contribution is at least equal to that of superstars. Thus, the players with arguably the highest costs for clubs do not contribute accordingly to short-run sportive success.


When the league table lies: Does outcome bias lead to informationally inefficient markets?

June 2023

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14 Reads

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1 Citation

Economic Inquiry

We study whether outcome bias persists in markets with actors who are financially incentivized to make optimal decisions. We test whether inherently noisy match outcomes from European football are correctly incorporated into prices from a betting exchange market. We find that market prices overestimate (underestimate) the winning probability of teams that previously overperformed (underperformed) in terms of match outcomes compared to their performance based on “expected goals.” This pattern is mirrored in negative (positive) betting returns on overperforming (underperforming) teams. These results suggest that even competitive market mechanisms fail to completely erase outcome bias.



Are Expectations Misled by Chance? Quasi-Experimental Evidence from Financial Analysts

December 2022

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12 Reads

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1 Citation

SSRN Electronic Journal

We examine whether finance professionals deviate from Bayes’ theorem on the processing of nondiagnostic information when forecasting quarterly earnings. Using field data from sell-side financial analysts and employing a regression discontinuity design, we find that analysts whose forecasts have barely been met become increasingly optimistic relative to when their forecasts have barely been missed. This result is consistent with an update of analysts’ expectations after observing uninformative performance signals. Our results also suggest that this behavior leads to significantly worse forecasting accuracy in the subsequent quarter. We contribute to the literature by providing important field evidence of expectation formation under uninformative signals.


Fig. 1. RD Plot 0-30 Errors. Notes: The figure shows the RD plot for candidates who had between 0 and 30 errors. The line is obtained by fitting a second-degree polynomial that is allowed to differ on either side of the cutoff.
Fig. 2. RD Plot 10-20 Errors. Notes: The figure shows the RD plot for candidates who had between 10 and 20 errors. The line is obtained by fitting a first-degree polynomial that is allowed to differ on either side of the cutoff.
Fig. A1. Error histogram. Notes: Errors distribution between 0 and 30.
Descriptive statistics.
Baseline results.

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Outcome bias in self-evaluations: Quasi-experimental field evidence from Swiss driving license exams
  • Article
  • Full-text available

September 2022

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83 Reads

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7 Citations

Journal of Economic Behavior & Organization

Exploiting a quasi-experimental field setting, we examine whether people are outcome biased when self-evaluating their past decisions. Using data from Swiss driving license exams, we find that candidates who narrowly passed the theoretical driving exam are significantly less likely to pass the subsequent practical driving exam – which is taken several months after the theoretical exam – than those who narrowly failed. Those candidates who passed the theoretical exam on their first attempt receive more objections regarding their momentary, on-the-spot decisions in the practical exam, consistent with the idea that the underlying behavioral difference is worse preparation.

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Outcome Bias in Self-evaluations: Quasi-experimental Field Evidence of Swiss Driving License Exams

March 2022

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17 Reads

SSRN Electronic Journal

Employing a quasi-experimental field setting, we examine whether people are outcome biased when self-evaluating their past decisions. Using data from Swiss driving license exams, we find that candidates who narrowly passed the theoretical driving exam are significantly less likely to pass the subsequent practical driving exam – which is taken several months after the theoretical exam – relative to those who failed narrowly. The candidates who passed the theoretical exam in their first attempt received more objections in momentary, on-the-spot kinds of decisions, consistent with the idea that worse preparation is the underlying behavioral difference.


Citations (58)


... This evidence is broadly in line with Flurin Meier et al. (2023), who find on different sports that coaches change the starting lineup more often after narrow losses than after narrow wins. The rest of covariates are not found to be significant for explaining manager's perseverance. ...

Reference:

Managerial decisions and team performance: Evidence from professional elite soccer
Replication: Do Coaches Stick With What Barely Worked? Evidence of Outcome Bias in Sports
  • Citing Article
  • August 2023

Journal of Economic Psychology

... Given the influx of talent to the SPL in the summer of 2023, a natural follow-up question is whether the League's perceived increase in attractiveness around the globe emerges from the abundance of (super) stars or any consequential increase in the quality of football. Alternatively, future research might want to: (1) explore potential saturation effects from (too many) stars overshadowing (domestic) talent (e.g., see Jedelhauser et al. (2022) on the German Bundesliga); (2) ...

Overshadowed by Popularity: The Value of Second-Tier Stars in European Football
  • Citing Article
  • July 2023

Journal of Sports Economics

... Outcome bias explains how people judge the outcomes of an event in hindsight. The decisions made in the time of crisis are viewed more negatively if they led to failure, but more positively if they led to success (Meier et al., 2022). Industry practitioners experience the same fallacy i.e., a history of previous successes inhibits their awareness of potential threats. ...

Outcome bias in self-evaluations: Quasi-experimental field evidence from Swiss driving license exams

Journal of Economic Behavior & Organization

... Existing organizational forms in business can lose their efficiency and effectiveness over time (Picot et al. 2020a). Solutions and action strategies that companies have been able to use successfully in the past to realize business opportunities can become outdated as society, markets, technologies, organization possibilities or regulation change. ...

Organisation: Theorie und Praxis aus ökonomischer Sicht
  • Citing Book
  • January 2020

Arnold Picot

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Helmut Dietl

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Egon Franck

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[...]

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Susanne Royer

... Some of the common strategies include betting on home favorites or underdogs (e.g., Gandar et al., 2001;Humphreys et al., 2013;Winkelmann et al., 2021), the "hot hand" eect (e.g., Paul et al., 2014a), and the over-the-line option regarding the total number of points scored in a game (e.g., Shank, 2019). Existing research has also considered betting strategies around weather conditions (Borghesi, 2007;Paul et al., 2014b), player exertion on the eld , league and scheduling design (Deutscher et al., 2018;Sung, 2020), and games played during the COVID-19 pandemic (Meier et al., 2021). ...

Are Sports Betting Markets Semi-Strong Efficient? Evidence From the COVID-19 Pandemic
  • Citing Article
  • August 2021

International Journal of Sport Finance

... If bookmakers do not incorporate such information in their calculation of betting odds, this could lead to inefficiencies that could potentially be exploited by bettors. Merz et al. (2021) do indeed report that bookmakers do not adequately incorporate comprehensive performance information from previous matches when deriving odds, instead relying too heavily on the pure outcome and not factoring in the element of chance (e.g. that a team might have lost despite playing well). Despite urge phases seem to alternate, especially towards the end of the match between minutes 60 and 80, the corresponding win probability -derived by the in-game odds -does not fluctuate accordingly. ...

Underestimating randomness: Outcome bias in betting exchange markets
  • Citing Article
  • August 2021

SSRN Electronic Journal

... After establishing these two groups they waited a month before buying and then held purchases for one month before selling. 5 Investment in a firm by its customers may be due to the affect heuristic; for an application see Merz et al. (2021). ...

Sonic Thunder vs. Brian the Snail Are people affected by uninformative racehorse names?

Journal of Behavioral and Experimental Economics

... In a study closest to our own, Flepp, Meier, and Franck (2021) looked at the behavior of casino patrons using data recorded from individual player cards of gamblers visiting a Swiss casino. They found evidence for the realization effect: Visitors tended to increase their risk-taking following losses within a gambling session but decreased their risk-taking on the next casino visit after a losing session, which Flepp, Meier, and Franck (2021) argue to be analogous to a realized outcome. ...

The effect of paper outcomes versus realized outcomes on subsequent risk-taking: Field evidence from casino gambling

Organizational Behavior and Human Decision Processes

... In principle, we agree on the ideas underpinning Financial Fair Play. Therefore, the next step is to initiate a discussion of how Financial Fair Play can be made more efficient rather that concluding that it is a complete failure (Franck, 2018(Franck, , 2021. This should include a debate on how media income should be distributed both within national leagues and from European competitions, and perhaps also daring to initiate a discussion on players' salaries and agents' fees. ...

Introducing Hard Budget Constraints Without Restricting Entrepreneurs: The Role of Voluntary Agreements in UEFA’s Club Licensing and Financial Fair Play Regulations
  • Citing Chapter
  • January 2021

... Betting odds can provide an indication, with bookmakers expected to factor in potential spectator influences (Meier et al., 2021;Winkelmann et al., 2021). Remarkably, second division home teams with the most limited attendance matches 5 showed significantly smaller odds differences compared to those with only a few such matches (-0.66 vs -1.71; p-value<0.001), ...

Are Sports Betting Markets Semistrong Efficient? Evidence from the COVID-19 Pandemic
  • Citing Article
  • August 2020

SSRN Electronic Journal