Ivan G. Lopez Cruz, Sebastian Galiani, Gustavo Torrens, 24 May 2016

A large empirical literature has revealed the effects of preventative and punitive measures on crime. This column examines the effects of police deployment strategies, comparing geographically concentrated protection with evenly dispersed protection across a city. The results suggests that when considering changes in the geographic distribution of police forces, we should take into account the effects on house prices and on reallocation of the population, as well as the overall effect on crime in the entire city. 

Shamena Anwar, Patrick Bayer, Randi Hjalmarsson, 19 April 2016

Women remain underrepresented in many aspects of political and civic life. This column explores the empirical significance of representation, exploiting a 1919 law that made women eligible to serve on English juries. Archival court data show that female representation boosted convictions in sex offenses cases. The magnitude of results highlights how dramatically underrepresentation can influence the functioning of civic institutions.

Mathieu Couttenier, Veronica Preotu, Dominic Rohner, Mathias Thoenig, 06 April 2016

The refugee crisis that erupted in 2015 has raised concerns about potential violence and criminality of the migrants. This column investigates whether past exposure to conflict makes asylum seekers in Switzerland more violent. The findings show that cohorts exposed to civil conflicts/mass killings during childhood are, on average, 40% more prone to violent crimes than their co-nationals born after the conflict. Certain policies can mitigate this result. In particular, offering labour market access to asylum seekers eliminates all the effect.

Randi Hjalmarsson, Matthew Lindquist, 02 April 2016

The effects of mandatory military conscription on the education, crime, and labour market outcomes of the draftees are not clear. This column suggests that the heterogeneous nature of the effects could be an explanation for the lack of consensus. The findings show that military service increases the likelihood of future crimes, mostly among males from disadvantaged backgrounds and with a previous criminal history. The only positive effect of conscription for this group is the decrease in disability benefits and the number of sick days. 

Peter Sands, 19 February 2016

A move is afoot to eliminate high denomination bills such as the €500 note. This column argues that the elimination would not, on its own, stem the flow of funds to support terrorism, but it is a necessary step on the road to restricting terrorist finance. While there are counter-arguments, they tend to argue for activities that involve breaking the law – in one way or another. 

James Feyrer, Erin T. Mansur, Bruce Sacerdote, 16 November 2015

Fracking has driven an oil and natural gas boom in the US over the past decade. This column examines the impact these mining activities have had on local and regional economies. US counties enjoy significant economic benefits, including increased wages and new job creation. These effects grow as the geographic radius is extended to include neighbouring areas in the region. The results suggest that the fracking boom provided some insulation for these areas during the Great Recession, and lowered national unemployment by as much as 0.5%.

Ignacio Munyo, Martín Rossi, 03 July 2015

Sadly, a large number of crimes are committed by ex-prisoners on their first day of release. This column presents evidence showing that on any given day the number of inmates released from incarceration significantly affects the number of offences committed on that day. ‘First-day recidivism’ can be eliminated by an increase in the gratuity provided to prisoners at the time of their release. It’s much cheaper than any other option.

Dirk Niepelt, 21 January 2015

Recent experience with the zero lower bound on nominal interest rates, and the use of high-denomination notes by criminals and tax evaders, have led to revived proposals to phase out cash. This column argues that abolishing cash may be neither necessary nor sufficient to overcome the zero lower bound problem, and would severely undermine privacy. Allowing the public to hold reserves at central banks could reduce the need for deposit insurance, although the transition to the new regime and the effects on credit supply must be carefully considered.

Yves Zenou, 08 January 2015

Targeting key players in a network can have important effects due to multipliers arising from peer effects. This column argues that this is particularly true for crime –the success in reducing crime in Chicago was due to the targeting of 400 key players rather than spending resources on more general targets. Key-player policies in crime, education, R&D networks, financial networks, and diffusion of microfinance outperform other policies such as targeting the most active agents in a network.

Arnaud Chevalier, Olivier Marie, 08 November 2014

Children born in crises face different initial conditions. Data on children born in East Germany just after the Berlin Wall came down confirms that this corresponds to worse adult outcomes. ‘Children of the Wall’ have 40% higher arrest rates, are 33% more likely to have repeated a grade by age 12, and are 9% more likely to have been put into a lower educational track. This column argues that these negative outcomes can be explained by the lower average parenting skills of those who decided to have children during a period of high economic uncertainty.

Bart Golsteyn, Hans Grönqvist, Lena Lindahl, 19 August 2014

Time preference has substantial economic consequences. To a growing literature that shows patience to be an important indicator of economic outcomes, this column presents new evidence from a large administrative dataset that tracks children into adulthood. Those who reported more patient preferences as children move on to better labour market and health outcomes, and are less likely to become criminals.

Vicky Pryce, 15 February 2014

Vicky Pryce talks to Viv Davies about her recent book ‘Prisonomics: Behind bars in Britain’s failing prisons’, which analyses the economic and social costs and consequences of women in prison and women’s prisons in the UK. Pryce presents the case for penal reform and provides a number of policy recommendations. The interview was recorded in London in January 2014.

Stephen Machin, Olivier Marie, 30 January 2014

In many settings, criminal behaviour can be analysed just like any other economic decision-making process, namely – as the outcome of individual choices influenced by perceived consequences. This column explains the advantages of adopting an economic approach to understanding crime. Furthermore, criminal law and crime-prevention programmes can be evaluated using the same normative techniques applied to health, education, and environmental regulation.

Anna Aizer, Joseph Doyle, 16 July 2013

The US imprisons more young people at a higher rate than any other nation. This column argues that, at a tremendous cost, incarcerating juveniles only serves to reduce their educational attainment and increase the probability of incarceration as an adult. New research suggests that using the numerous available alternatives will probably not only save the US money in the short run – as well as giving juvenile criminals better prospects in the future – but will also reduce future crime and thus future expenditures in the long run.

Matthew O. Jackson, Yves Zenou, 09 September 2012

This paper provides an overview and synthesis of the literatures analysing games where players are connected via a network structure. While it focuses on the game theoretic modeling, it also also include some discussion of analyses of peer effects, as well as applications to diffusion, employment, crime, industrial organisation, and education.

Ben Vollaard, 24 August 2012

How to reduce incarceration rates without fuelling a crime boom? This column argues that by being more selective over whom to lock up and for how long, scarce public funds can be put to better use.

Giancarlo Spagnolo, 13 August 2012

How to save the banks but not the bankers? This column argues that fines for criminal behaviour in banks are not enough – it may be time to start locking people up.

Arcangelo Dimico, Ola Olsson, Alessia Isopi, 13 May 2012

If it were a business, the Mafia would be one of Italy’s most successful and one of the largest in Europe. But how did it come to be so powerful? This column argues that it began with control of the international lemon trade in the 19th century.

Guglielmo Barone, Gaia Narciso, 05 May 2012

Can organised crime divert public spending? This column presents evidence of the Mafia influencing public transfers and argues that geographically targeted aid should take into account the risk that at least part of the funding feeds into organised crime.

Randi Hjalmarsson, Helena Holmlund, Matthew Lindquist, 29 November 2011

How should society fight crime? This column argues education policy should be part of the answer. Exploiting a Swedish education reform as a source of exogenous variation in years of education, it suggests that one additional year of schooling decreases the likelihood of conviction by 7.5% for males and by 11% for females.

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