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This paper focuses on empirical connections between crime and immigration, studying two large waves of recent U.K. immigration (the late 1990s/early 2000s asylum seekers and the post-2004 inflow from EU accession countries). The first wave led to a modest but significant rise in property crime, while the second wave had a small negative impact. There was no effect on violent crime; arrest rates were not different, and changes in crime cannot be ascribed to crimes against immigrants. The findings are consistent with the notion that differences in labor market opportunities of different migrant groups shape their potential impact on crime.

The nature of self-employment is changing in most OECD countries. Solo self-employment is increasing relative to self-employment with dependent employees, often being associated with the development of gig economy work and alternative work arrangements. We still know little about this changing composition of jobs. Drawing on ad-hoc surveys run in the UK, US, and Italy, we document that solo self-employment is substantively different from self-employment with employees, being an intermediate status between employment and unemployment, and for some, becoming a new frontier of underemployment. Its spread originates a strong demand for social insurance which rarely meets an adequate supply given the informational asymmetries of these jobs. Enforcing minimum wage legislation on these jobs and reconsidering the preferential tax treatment offered to self-employment could discourage abuse of these positions to hide de facto dependent employment jobs. Improved measures of labor slack should be developed to acknowledge that, over and above unemployment, some of the solo self-employment and alternative work arrangements present in today's labor market are placing downward pressure on wages.

We study the impact of minimum wages on firm profitability, exploiting the changes induced by the introduction of a UK national minimum wage in 1999. We use pre-policy information on the distribution of wages to implement a difference-in-differences approach. Minimum wages raise wages, but also significantly reduce profitability (especially in industries with relatively high market power). This is consistent with a simple model where wage gains from minimum wages map directly into profit reductions. There is some suggestive evidence of longer run adjustment to the minimum wage through falls in net entry rates.

This paper studies the origins of what has become one of the most radical and encompassing programmes of school reform seen in the recent past in advanced countries—the introduction of academy schools to English education. Academies are independent state funded schools that are allowed to run in an autonomous manner outside of local authority control. Almost all academies are conversions from already existent state schools and so are school takeovers that enable more autonomy in operation than was permitted in their predecessor state. Studying the first round of conversions that took place in the 2000s, where poorly performing schools were converted to academies, a focus is placed on legacy enrolled pupils who were already attending the school prior to conversion. The impact on end of secondary school pupil performance is shown to be positive and significant. Performance improvements are stronger for pupils in urban academies and for those converting from schools that gained relatively more autonomy as a result of conversion.

Demand for less-skilled workers plummeted in developed countries in the 1980s. In open economies, pervasive skill-biased technological change (SBTC) can explain this decline. SBTC tends to increase the domestic supply of unskill-intensive goods by releasing less-skilled labor. The more countries experiencing a SBTC, the greater its potential to decrease the relative wages of less-skilled labor by increasing the world supply of unskill-intensive goods. We find strong evidence for pervasive SBTC in developed countries. Most industries increased the proportion of skilled workers despite generally rising or stable relative wages. Moreover, the same manufacturing industries simultaneously increased demand for skills in different countries. Many developing countries also show increased skill premiums, a pattern consistent with SBTC.

How does firm value change in response to a minimum wage hike? This paper exploits the announcement of a big change in the UK minimum wage that was both totally unanticipated and free of uncertainty. The stock market response to this is examined in an event study setting. The analysis uncovers significant falls in the stock market value of low-wage firms. In light of this finding, the paper concludes by discussing magnitudes of response, including longer-term modes of firm adjustment to the cost shock induced by the minimum wage hike.

In economic models of crime, changing economic incentives alter the participation of individuals in criminal activities. We critically appraise the work in this area. After a brief overview of the workhorse economics of crime model for organizing our discussion on crime and economic incentives, we first document the significant rise of the economics of crime as a research field and then go on to review the evidence on the relationship between crime and economic incentives. We divide this discussion into incentives operating through legal wages in the formal labor market and the economic returns to illegal activities. Evidence that economic incentives matter for crime emerges from both.

Despite post-college degree holders now making up nearly 15% of the US adult workforce, studies of their labour market performance remain sparse. This is surprising given that they are the most educated group in the labour force and as, over time, they have done significantly better than all other education groups. We show a significant rise over time in the postgraduate wage premium, reflecting an increased relative demand due to their superior skill sets and occupational status. The increase in the demand for postgraduates is a key factor behind rising wage inequality within the increasingly heterogeneous college graduate workforce.

In this paper we study the causal impact of police on crime, looking at what happened to crime and police before and after the terror attacks that hit central London in July 2005. The attacks resulted in a large redeployment of police officers to central London as compared to outer London. During this time, crime fell significantly in central relative to outer London. The instrumental variable approach we use uncovers an elasticity of crime with respect to police of approximately -0.3 to -0.4, so that a 10 percent increase in police activity reduces crime by around 3 to 4 percent. JEL: K42

This article studies whether pupil performance gains in autonomous schools in England can be attributed to the strategic exclusion of poorly performing pupils. England has had two phases of academy school introduction—the first, in the 2000s, being a school improvement programme for poorly performing schools and the second a mass academisation programme from 2010 for better-performing schools. Overall, exclusion rates are higher in academies, with the earlier programme featuring much higher rates of exclusion. However, rather than functioning as a means of test score manipulation, the higher exclusion rate reflects the rigorous discipline enforced by the pre-2010 academies.