☢️New @CESifoGroup WP☢️
⦿I quantify impact of political polarization on social preferences via 15(!) incentive-compatible experiments
⦿I also test if #nudging can reduce polarization (it can't)

Paper: cesifo.org/en/publikation…
#EconTwitter

Short🧵on what's new in this version
1/7

1st of all, the paper contains many experiments and interventions. After the initial submission of this paper, reviewers asked to not only quantify the detrimental impact of polarization but also test behavioral interventions to alleviate it.

So now I have ~9,000 obs.
2/7

Quick recap: the 15 experiments capture
⦿ altruism & anti-social behavior (List 2007)
⦿ cooperativeness & trust (Fischbacher et al 2001)
⦿ norms (Krupka & Weber 2013)
⦿ behavioral interventions (defaults & norm-nudges, @shlomobenartzi @R_Thaler @CassSunstein @CBicchieri)
3/7
⦿This paper is the 1st to test whether nudging can reduce political polarization in the U.S. wrt altruism & cooperativeness
⦿Results suggest: polarization runs too deep & that structural - ontop of behavioral - interventions are needed @R_Thaler @CassSunstein @katy_milkman
4/7

Design: across all experiments, the experiments are quite simple. Participants are
⦿ asked about their opinion regarding Trump/Biden/sports/minimal group markers
⦿ randomly matched with another participant for whom the relevant identity is either the same or opposite
5/7

In the 1st public version of the paper, I had established that:
⦿ detrimental impact of polarization on social preferences runs deep
⦿ failure to cooperate driven by misguided beliefs about how others & not by categorical unwillingness to cooperate
@ylelkes @d_f_stone
6/7

🔥new nudging results🔥
⦿ tested 2 nudges (pro-social/cooperative by default or learning descriptive norms about previous behavior)
⦿ nudging shifts behavior upwards but is *unable* to reduce polarization gap

➡️participants still discriminate against political outgroups
7/7
Thankful for having received valuable feedback from @yanchen @BrendanNyhan @pylekeyton @c_a_gravert @Leesplez & many more (incl my @UoNCeDEx friends S. Gächter, D. Nosenzo & S. Sonderegger).

Details on the previous results are in the old tweet below

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More from @eugen_dimant

4 Sep 20
💥New WP: Hate Trumps Love💥
RQ: study behavioral-, belief- & norm-based mechanisms through which perceptions of closeness, altruism & cooperativeness are affected by political polarization under @realDonaldTrump

Findings: it’s grim
Paper: bit.ly/32TNKrk

Short thread👇 Image
1/11

Rising political polarization is often linked to fractured societies rife with racial inequality, factional conflict & partisan animosity.

In the U.S., many issues yield a surprising partisan divide, think mask wearing (see also recent paper by @spbhanot & @dhopkins1776)
2/11

In multiple pre-registered *behavioral* experiments, I study the perceptional & behavioral consequences of polarization.

In particular, I examine the behavioral-, belief-, and norm-based mechanisms with which this political intergroup conflict materializes.
Read 13 tweets
5 Feb 19
🚨New WP (theory + experiment): lying & belief distortion under norm-uncertainty🚨
w/ @cbicchieri (@Penn) & Sonderegger (@CeDEx)

RQ: how do we engage in deviant behavior when social #norms are uncertain?
A: self-serving belief distortion
Paper: bit.ly/2Go0tJk

Thread ⬇
1/

Known:
#Lies are ubiquitous & people often lie for their own benefit or for others (@UriGneezy et al., 2018 AER, Abeler et al., 2019 Ecta)
◈ Reasons (not) to lie: ethical dissonance, image concerns...

--> we take a complementary approach: norm-following considerations
2/

Existing scientific approach to the study of norms:
◈ Clearly define norms and study how individuals react (tradition of @RobertCialdini, @CBicchieri, Fehr & others)
◈ Find: social norms motivate and affect personal decisions, even when they are not in our own self-interest
Read 11 tweets
13 Dec 18
🚨WP on deterrence & optimal design of institutions🚨
(w/ colleagues @econ_uzh @UniCologne @kielinstitute)

RQ: How to design institutions effective at deterring deviant behavior & recidivism?
A: Proper use of swiftness & uncertainty

Paper: bit.ly/2SJ9D63

Thread 1/n
Governments use substantial resources to keep society safe and punish people for criminal acts. Mass incarceration is both costly and ineffective.

Understanding how to design proper institutions is important from both the social and economic perspective.
A vast literature on criminal deterrence has focused on the relevance of the certainty and severity of punishment in deterring deviant behavior (following the Becker tradition).

We examine a third and understudied element (see HOPE program): celerity (swiftness of punishment)
Read 12 tweets

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