Results

Blog

LSE Politics and Policy:

AI for Good - impact through ethical technology

Artificial Intelligence is set to change our lives, but there are many doubts about whether this will be for the better. By looking at a case of non-surveillance application of AI used to help with crowd management, Tom ...Read more...

Blog

LSE:

How crowd crush prevention technology could keep us safe at events (video)

In this film, we explore how cutting-edge artificial intelligence is being developed to assist event security and police forces in managing public safety at large-scale gatherings. We speak with Professor Tom Kirchmaier ...Read more...

CEP discussion paper

Not incentivized yet efficient: Working from home in the public sector

This paper studies whether working from home (WFH) affects workers' performance in public sector jobs. Studying public sector initiatives allows us to establish baseline estimates on the impact of WFH net of incentives. ...Read more...

Journal article

Journal of Law and Economics:

International Terror Attacks and Local Out-Group Hate Crimes

This paper studies the effects of international terror attacks on out-group hate crimes committed against Muslims in a local setting. Event studies based on rich administrative data from the Greater Manchester Police on ...Read more...

CentrePiece article

Police workload linked to victim statement withdrawals

Partners or family members are responsible for nearly half of the women killed each year in the UK, and many of these deaths follow long periods of domestic abuse. Yet in recent years, the rate of statement withdrawal by...Read more...

Journal article

Cambridge Journal of Evidence-Based Policing:

Can Social Media Reach Isolated Domestic Abuse Victims? Evidence from a Randomized Control Trial During the Covid-19 Lockdown

Research Questions Can social media reach isolated domestic abuse victims? Secondly, does providing victims with more information and a safer means of contacting police change their likelihood of domestic abuse reporting...Read more...

Blog

LSE British Politics and Policy:

Higher workload for police officers correlates with victims withdrawing statements

In the UK, partners or family members are responsible for nearly half of all female homicides. But there is an increasing rate of statement withdrawal from victims in high-risk domestic abuse cases. Tom Kirchmaier and Ek...Read more...

Journal article

The Economic Journal:

Commuting for crime

People care about crime, with the spatial distribution of both actual and perceived crime affecting the amenities from living in different areas and residential decisions. The literature finds that crime tends to happen ...Read more...

CEP discussion paper

Under pressure: Victim withdrawal and police officer workload

This paper addresses the relationship between a police officer's workload and the likelihood of statement withdrawal of domestic abuse victims. We focus our analysis on high-risk cases reported to Greater Manchester Poli...Read more...

Journal article

Journal of Public Economics:

Football, Alcohol, and Domestic Abuse

We study the role of alcohol and emotions in explaining the dynamics in domestic abuse following major football games. We match confidential and uniquely detailed individual call data from Greater Manchester with the tim...Read more...

CEP discussion paper

Peer pressure and manager pressure in organisations

We study the interaction between horizontal (peer) and vertical (manager) social factors in workers' motivation. In our setting, individuals work using open-plan desks. Using a natural experiment, we identify a sharp inc...Read more...

CEP discussion paper

Criminal charges, risk assessment and violent recidivism in cases of domestic abuse

Domestic abuse is a pervasive global problem. Here we analyze two approaches to reducing violent DA recidivism. One involves charging the perpetrator with a crime; the other provides protective services to the victim on ...Read more...

Journal article

Labour Economics:

The gender reveal: the effect of sons on young fathers' criminal behavior and labor market activities

Based on New Zealand's administrative court charges data, we document child gender-specific differences in future criminal behavior of young fathers. The deterrent impact of having a son on the future likelihood of recei...Read more...

CentrePiece article

Covid-19: the impact on local crime rates

The pandemic changed the way people worked, shopped, socialised and travelled. Patterns of crime and policing changed too. Shubhangi Agrawal, Tom Kirchmaier and Carmen Villa-Llera reveal how different parts of the UK are...Read more...

Blog

LSE Covid-19:

Burglaries and robberies fell during Covid - but in the poorest parts of Britain, violent crime is up

Covid-19 brought about changes in the way people work, shop, socialise and travel. Patterns of crime and policing have changed too, as a report by Shubhangi Agrawal, Tom Kirchmaier and Carmen Villa-Llera highlights....Read more...

Blog

LSE British Politics and Policy:

It is through excessive consumption of alcohol that football games trigger certain domestic abuse perpetrators

Reports of domestic abuse rise after football matches. Ria Ivandic, Tom Kirchmaier and Neus Torres Blas find that binge drinking is the key factor, with alcohol-linked violence against live-in partners happening more oft...Read more...

CEP Covid-19 analysis

Covid-19 and local crime rates in England and Wales - two years into the pandemic

We analyse how crime trends evolved during the Covid-19 pandemic leveraging public data on local crimes. Police have recorded fewer crimes overall during the pandemic, and the decrease is driven by a large decrease in ac...Read more...

CentrePiece article

Football, alcohol and domestic abuse

Reports of domestic abuse rise after football matches. Ria Ivandic, Tom Kirchmaier and Neus Torres-Blas find that binge drinking is the key factor - with alcohol-linked violence against live-in partners happening more of...Read more...

Submission to a parliamentary inquiry and government consultation

House of Lords Covid-19 Committee - The long-term impact of the pandemic on towns and cities

The Covid-19 pandemic has dramatically changed our relationship with towns and cities, and the dynamic within those areas. This inquiry looks at the long-term impact of the pandemic on large towns and smaller cities, con...Read more...

CEP discussion paper

Football, alcohol and domestic abuse

We study the role of alcohol and emotions in explaining the dynamics in domestic abuse following major football games. We match confidential and uniquely detailed individual call data from Greater Manchester with the tim...Read more...

Journal article

Journal of Empirical Legal Studies:

Comparing Conventional and Machine-Learning Approaches to Risk Assessment in Domestic Abuse Cases

We compare predictions from a conventional protocol-based approach to risk assessment with those based on a machine-learning approach. We first show that the conventional predictions are less accurate than, and have simi...Read more...

CentrePiece article

In brief... Lockdown, recession and crime

What has happened to criminal activity in England and Wales during the pandemic? Tom Kirchmaier and Carmen VillaLlera explore the effects of lockdown and job loss on the kinds of crimes being committed – and the ability ...Read more...

Submission to a parliamentary inquiry and government consultation

Home Office preparedness for Covid-19 (Coronavirus)

In March 2020 the Home Affairs Committee launched an inquiry into Home Office preparedness for Covid-19. Between April and August it reported on different aspects of Home Office policy and operations during the first ph...Read more...

CEP discussion paper

Commuting for crime

People care about crime, with the spatial distribution of both actual and perceived crime affecting the amenities from living in different areas and residential decisions. The literature finds that crime tends to happen ...Read more...

Blog

LSE Covid-19 blog:

Why bike thefts, anti-social behaviour and drug offences have gone up during the pandemic

How has crime evolved in England and Wales during the pandemic? Tom Kirchmaier and Carmen Villa-Llera (Centre for Economic Performance, LSE) look at the effects of lockdown and job loss on the kinds of crimes being commi...Read more...

CEP Covid-19 analysis

Covid-19 and changing crime trends in England and Wales

We document changing crime trends in England and Wales in the context of the current global pandemic. During the first lockdown that span from mid-March to mid-May 2020 there was a decrease in all crime categories except...Read more...

CEP discussion paper

Heterogeneity in criminal behaviour after child birth: the role of ethnicity

This paper documents behavioral differences in parental criminality between majority and minority ethnic groups after child birth. The particular effect we exploit is that of the gender of the first-born child on fathers...Read more...

CEP discussion paper

Changing patterns of domestic abuse during Covid-19 lockdown

The effects of preventing a COVID-19 health crisis have had unintended consequences on domestic abuse (DA) victimization. We contribute to the literature on domestic abuse in lockdown by providing insight on how changing...Read more...

Journal article

The Review of Economic Studies:

Face-to-Face Communication in Organisations

Communication is integral to organizations and yet field evidence on the relation between communication and worker productivity remains scarce. We argue that a core role of communication is to transmit information that h...Read more...

CentrePiece article

In brief... Tackling domestic violence using machine learning

Artificial intelligence could help to protect victims of domestic violence, according to research by Jeffrey Grogger, Ria Ivandic and Tom Kirchmaier...Read more...

CentrePiece article

Domestic abuse in times of quarantine

Crime economists Ria Ivandic and Tom Kirchmaier look at data on domestic abuse calls to the police in London....Read more...

Blog

LSE Covid-19 blog:

Home is not a safe place for everyone: domestic abuse between partners increased during lockdown

What has happened to the prevalence and nature of domestic abuse during lockdown? Crime economists Ria Ivandic and Tom Kirchmaier collaborated with the Strategic Insights Unit (SIU), from the Metropolitan Police, to answ...Read more...

Journal article

Journal of the European Economic Association:

Prices, Policing and Policy: The Dynamics of Crime Booms and Busts

In many historical episodes, the extent of criminal activity has displayed booms and busts. One very clear example is the case of metal crime, where in the face of big increases in value driven by world commodity prices,...Read more...

CEP discussion paper

Comparing conventional and machine-learning approaches to risk assessment in domestic abuse cases

We compare predictions from a conventional protocol-based approach to risk assessment with those based on a machine-learning approach. We first show that the conventional predictions are less accurate than, and have simi...Read more...

CEP election analysis

Policing and crime

A long period of austerity and budget cuts in policing that started when Theresa May became Home Secretary may be coming to an end. As austerity bit and budget cuts were implemented, this considerably reduced the size of...Read more...

CentrePiece article

Jihadi attacks, the media and anti-Muslim hate crime

Do international jihadi terror attacks lead to an increase in local anti-Muslim hate crimes? Analysing data from the Greater Manchester Police, Ria Ivandic, Tom Kirchmaier and Stephen Machin find that the Muslim populati...Read more...

Blog

LSE British Politics and Policy:

Amplifying Islamophobic hate crime: UK media in the wake of terror attacks

Ria Ivandic,Tom Kirchmaier, and Stephen Machin study the empirical connections between local anti-Muslim hate crimes and international jihadi terror attacks. They find that local Muslim populations face a media-magnified...Read more...

CEP discussion paper

Jihadi attacks, media and local hate crime

Empirical connections between local anti-Muslim hate crimes and international jihadi terror attacks are studied. Based upon rich administrative data from Greater Manchester Police, event studies of ten terror attacks rev...Read more...

CentrePiece article

Metal crime: the impact of prices, policing and policy

Metal prices are strong drivers of metal crime, according to research by Tom Kirchmaier and colleagues. Their study traces how, over the past ten years, big rises in commodity prices led to a boom in metal crime in the U...Read more...

Submission to a parliamentary inquiry and government consultation

Economic Crime inquiry

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Journal article

The Review of Economic Studies:

The effect of police response time on crime clearance rates

Police agencies devote vast resources to minimizing the time that it takes them to attend the scene of a crime. Despite this, the long-standing consensus is that police response time has no meaningful effect on the likel...Read more...

CEP discussion paper

Prices, policing and policy: the dynamics of crime booms and busts

In many historical episodes, the extent of criminal activity has displayed booms and busts. One very clear example is the case of metal crime, where in the face of big increases in value driven by world commodity prices,...Read more...

CEP discussion paper

Is distance dead? Face-to-face communication and productivity in teams

Has technology made face-to-face communication redundant? We investigate using a natural experiment in an organisation where a worker must communicate complex electronic information to a colleague. Productivity is higher...Read more...

CentrePiece article

In brief... Rapid response policing: the impact on crime detection

Rapid response policing not only boosts crime detection but also reduces the time it takes to find the offenders. That is the central finding of analysis of data from the Greater Manchester Police by Jordi Blanes i Vidal...Read more...

CEP discussion paper

The effect of police response time on crime detection

Police agencies devote vast resources to minimising the time that it takes them to attend the scene of a crime. Despite this, the long-standing consensus is that police response time has no meaningful effect on the likel...Read more...

CEP discussion paper

Corporate Ownership Structure and Performance in Europe

In this paper, we show that ownership structures vary considerably across Europe, and that the dominant form of ownership is not necessarily the most efficient one. These findings are in contradiction to similar research...Read more...

CEP discussion paper

Corporate Restructuring and Firm Performance of British and German Non-Financial Firms

This paper examines the ongoing changes in strategy, structure, and performance of the largest 250 non-financial firms in both Britain and Germany. To this end, publicly available firm-level data is presented at first an...Read more...

CEP discussion paper

The Performance Effects of European Demergers

This paper examines security price reactions of European demergers. For a period ranging from one and a half years prior to the demerger announcement through to three years after the execution date, the relative performa...Read more...

CentrePiece article

Corporate demergers: or is divorce more attractive than marriage?

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