GIANMARCO DANIELE
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Work in Progress

• Hey! Governor! Leave them Kids Alone: Political Influence during Childhood
Voters elect public officials based on political preferences, but can these officials, once elected, use their powers to shape those preferences? We investigate this by analyzing the political influence of U.S. governors. Using data from 200 million registered voters and a regression discontinuity design based on gubernatorial election results, we find that governors increase the future share of voters registered to their party. All the effects are concentrated on voters who were between 7 and 18 years old during the governor's term. Having a Republican governor during your whole childhood instead of a Democratic one increases the probability that, as an adult, you are a registered Republican by 7.5 percentage points. We also observe effects on the likelihood of having a concealed gun carry permit and living in a zip code with many Republicans.

with S. Galletta, F. Masera and M. Le Moglie
• Legal Trade Routes and Illicit Drug Trafficking
This study investigates the unintended consequences of globalization, focusing on the link between maritime trade and illicit drug trafficking. Leveraging the 2016 Panama Canal expansion as a natural experiment within a difference-in-differences framework, we study how increased trade connectivity impacts cocaine trafficking and associated violence. Our findings show that a boost in shipping connectivity significantly increases cocaine seizures and consumption in Europe, particularly in major port countries like Belgium, Spain, and the Netherlands. Simultaneously, South American export ports exposed to the trade shock experience a marked rise in homicide rates, driven by intensified competition among drug cartels. This paper provides novel evidence on the complementarities between legal and illegal trade, emphasizing how trade shocks can amplify preexisting criminal dynamics, with far-reaching implications for public health and safety.
with A. Soliman and J. Vargas
• Women Behind Bars: Do Female-Only Prisons Reduce Recidivism?
We investigate the causal effect on female recidivism of serving a sentence in prisons that are designed to house only female inmates rather than in those that predominantly house male inmates and thus are mixed-gender. We look at Italy, where both female-only and mixed- gender prisons coexist. The first accommodates around 30% of female inmates. Since inmates are preferentially allocated to the prison closest to their residence, we use the difference between the distances from the residence and the closest mixed-gender or female-only facilities as an instrument to approximate a quasi-random assignment. We use confidential data on individual inmates from 2012 to 2022 and we find that female-only prisons lower recidivism among women. A possible mechanism is that detention structures accommodating only female inmates can be more easily customized around their needs and allow more effective rehabilitation initiatives
with F. Calamunci, G. Mastrobuoni and D. Terlizzese - Media: La Stampa
• Financial Vulnerability & Mafia in the Firm
This paper explores the relationship between financial vulnerability and mafia infiltration within firms, specifically in the context of economic downturns. By leveraging firm-level data, the study investigates how firms with declining credit ratings are increasingly susceptible to mafia infiltration. Employing a difference-in-differences and regression discontinuity design, we find that firms experiencing financial distress, particularly in Southern Italy and in sectors such as construction, real estate, and transportation, are more prone to mafia infiltration. The findings highlight the far-reaching consequences of credit constraints, revealing that their impact extends beyond economic performance to include the infiltration of organized crime into the legal economy. This research emphasizes the need for targeted policies to support financially vulnerable firms, which may help mitigate the risk of mafia infiltration during periods of economic hardship.
with M. De Simoni, D. Marchetti, G. Marcolongo, P. Pinotti

Working Papers

• A Few Bad Apples? Criminal Charges, Political Careers, and Policy Outcomes
We study the prevalence and effects of individuals with past criminal charges among electoral candidates and appointed politicians in Brazil. Individuals with past criminal charges are twice as likely to run for election and to be elected than other individuals. Such a difference holds across all political parties and government levels, and is unaffected when conditioning the comparison on a wide array of observable characteristics. Randomized anti-corruption audits reduce the share of mayors with previous criminal charges, but only when they are conducted in electoral years whereas audits conducted in other periods have no effect. Using a regression discontinuity design based on close elections, we find that the election of mayors with criminal charges negatively impacts public health. This is evidenced by higher rates of underweight births and increased infant mortality. Additionally, we observe a rise in political patronage, particularly within the health sector, which aligns with the detrimental effects on public health.
Working Paper, with D. Britto, M. Le Moglie, P. Pinotti and B. Sampaio - Media: Folha de S.Paulo
• Violence against Women in Politics ​​​​
Surveys across countries indicate that female politicians are more often targets of violence compared to males. Why are women attacked more? Is this due to their gender, or to correlated factors? We provide the first causal evidence that violence is driven by gender: leveraging 12 years of data on attacks against Italian politicians, we show that marginally elected female mayors, similar in all respects to their male colleagues, are attacked three times more. We argue that violence can stem from two distinct sources: identity-based motives and divergent policymaking. Attacks concentrate where female empowerment in politics is highest, consistent with a misogynistic backlash hypothesis. Instead, there are no gender differences in expenditures and corruption, indicating that women's policies do not motivate attacks. Violence can have pernicious consequences: female mayors are less likely to rerun for office after an attack, underscoring how violence may foster the persistence of the political gender gap.​

Working Paper​​​​,with G. Dipoppa and M. Pulejo  - Media: Vanity Fair, Elle - LaRepubblica - Vox Talks (podcast) - Vox EU  - Lavoce.info - IlFattoQuotidiano - TheConversation - TV2000(podcast)
​• Mafia, Politics and Machine Predictions
Detection is one of the main challenges in the fight against organized crime. We show that machine learning can be used to predict mafias infiltration in Italian local governments, as measured by the dismissal of city councils infiltrated by organized crime. The model successfully predicts up to 96% of out-of-sample municipalities previously identified as infiltrated by mafias, up to two years earlier, making this index a valuable tool for identifying municipalities at risk of infiltration well in advance. Furthermore, we can identify "high-risk" local governments that may be infiltrated by organized crime but have not been detected by the state, thereby improving the efficacy of detection. We then apply this new time-varying measure of organized crime to investigate the underlying causes of this type of rent-seeking. As criminals infiltrate politics to capture public resources, we study how a positive shock in public spending (European Union transfers), affects this phenomenon. Employing a geographic Difference-in-Discontinuities design, we find a substantial and lasting increase in the predicted risk of mafia infiltration (up to 14 p.p.), emphasizing the unintended effects of delivering aid where criminal organizations can appropriate public funds.
Working Paper, with G. Campedelli and M. Le Moglie - Media: Courrier  International-VoxEU - SlowNews - L'espresso - Wired Italia (Podcast) - Radio24 (Podcast), RAI3
• Externalities and the Erosion of Trust
We present a theory linking political and social trust to explain trust erosion in modern societies. Individuals disagree on the seriousness of an externality problem, which leads to diverging policy opinions on how to solve it. This heterogeneity has two important effects on trust. First, disappointment with the policy rule enacted by the government breeds institutional distrust. Individuals that are more worried blame the government because the rule is too lenient. The less worried blame it even more because it is too intrusive. Second, as the rule also shapes individuals’ notion of civic behavior, it drives a wedge between what an individual expects from others and their actual behavior. This fuels social distrust. The more individuals are worried, the more they distrust others that are not complying with the rules. Our experimental survey conducted in four European countries shows how these trust dynamics came to the surface during the Covid-19 pandemic. Once led to think intensely about the virus, lower institutional trust was reported predominantly by respondents that were less worried about the virus, whereas social trust declined (more) for worried individuals. We lastly find that support for the welfare state erodes alongside sliding trust levels.

Working Paper (previously Wind of Change? Experimental Survey Evidence on the COVID19 Shock and Socio-Political Attitudes in Europe), with A. Martinangeli, F. Passarelli, W. Sas and L. Windsteiger - Media: The Conversation - Yahoo!News
• Toxic Loans and the Entry of Extreme Candidates
The role of financial crises in boosting populism has been well documented. Yet the specific mechanisms through which this occurs remain elusive. This paper studies how populist candidacies were fueled by a case of public financial mismanagement, which became salient during the Great Recession. Using an instrumental variable strategy, we exploit the leak of a list of French municipalities that contracted “toxic” loans before the crisis. During the subsequent municipal elections, we show that i) the right-wing populist party is the only political orientation experiencing an increase in vote share, while mainstream incumbents' political orientations are electorally punished, ii) both right-wing and left-wing populist candidacies are more likely in municipalities affected by the scandal, leading to a rise in electoral competition, iii) the entry of populist candidates remains persistent over time. Importantly, the findings are not driven by economic deprivation, austerity measures, or pure demand for a political turnover. They suggest that the disclosure of public financial mismanagement contributes by itself to the rise of populism during financial crises via the strategic entry of populist parties.
Working Paper, with E. Sartre  ​​

Publications by topic
​

• ​​Organized Crime


​1. ​ Fuelling Organised Crime: Oil Thefts and the Mexican Drug War,
with G. Battiston, M. Le Moglie and P. Pinotti, Economic Journal (2024) - Media: VoxDev

2. Organized Crime, Violence and Support for the State, 
with G. Campedelli, A. Martinangeli and P. Pinotti​, ​Journal of Public Economics (2023) - Media: VoxEU - Phys.org

3. Pains, Guns and Moves: The Effect of the US Opioid Epidemic on Mexican Migration, 
with M. Le Moglie and F. Masera  Journal of Development Economics (2023) 

4. Doing Business Below the Line: Screening, Mafias and European Funds, 
with G. Dipoppa The Journal of Law, Economics, and Organization (2022) - Media: Political Violence at a Glance
​ 
5. Mafia, Elections and Political Violence​​
with G. Dipoppa, Journal of Public Economics (2017) - Media: TheConversation - National Post

6. Strike one to educate one hundred: Organized crime, political selection and politicians’ ability
Journal of Economic Behavior and Organization (2017) - Media: The Conversation - Chicago Tribune

7. Organised Crime, Institutions and Political Quality: Empirical Evidence from Italian Municipalities
with B. Geys, The Economic Journal (2015)​ - Media: The Conversation - Chicago Tribune - IlFattoQuotidiano.it - Lavoce.info - The Guardian 
​

• ​Voting, Populism, Corruption


​8. ​ Fiscal Rules, Corruption and Electoral Accountability
with T. Giommoni, Journal of Politics (2024)  - Media: Faculti - The Telegraph - Vox EU 


9. ​Does the winner take it all? Redistributive Policies and Political Extremism
with A. Piolatto and W. Sas, Regional Science and Urban Economics (2024) -Media: VoxEU

10. Never Forget the First Time: The Persistent Effects of Corruption and the Rise of Populism in Italy
with A. Aassve and M. Le Moglie ​Journal of Politics (2023) - Media: Corriere della Sera


11. Dynasties and Policymaking
with A. Romarri​, P. Vertier  Journal of Economic Behavior and Organization (2021) - Media: Lavoce.info


​12. Abandon Ship? Party Brands and Politicians' Responses to a Political Scandal​
​with S. Galletta , B. Geys on Journal of Public Economics (2020)  ​​

13. Popularity shocks and political selection: The effects of anti-corruption audits on candidates’ quality
with F. Cavalcantii, S. Galletta, Journal of Public Economics (2018)
​

• ​Trust


​14. ​ The Causal Impact of Pandemic Distress on Anti-Immigration Sentiments
with A. Martinangeli, F. Passarelli, W. Sas and L. Windsteiger, Economica (2024)

15. ​The Strength of Weak (Family) Ties: Family Networks in High vs. Low Income Countries
with B. Geys, Journal of Development Studies (2015)

​16. Street vendors, incentives and self-regulation: a field study in urban India
with D. Tommasi , S. Mookerjee, The Review of Economics and Statistics (2020) - Media: Vox Dev

17. Interpersonal trust and welfare state support
with B. Geys, European Journal of Political Economy (2015) - Media: The New York Magazine

18. ​Public support for European fiscal integration in times of crisis
​with B. Geys, Journal of European Public Policy (2015)​​

Books

•​ "Fallimento Lookdown", with P. Stanig, EGEA Bocconi Editore (2021)

Book Chapters

•​ "Organised violence: The Mafia" in The Handbook of Collective Violence: Current Developments and Understanding." (2020), ROUTLEDGE.

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