HJ

H.J. Janssen

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Exploring the asymmetric impacts of social frontiers on household mobility in Rotterdam

Journal article (2024) - Dan Olner, Gwilym Pryce, Maarten van Ham, Heleen Janssen
Social frontiers arise when there are sharp differences in the demographic composition of adjacent communities. This paper provides the first quantitative study of their impact on household mobility. We hypothesise that conflicting forces of white flight and territorial allegiance lead to asymmetrical effects, impacting residents on one side of the frontier more than the other due to differences in the range of housing options available to different groups, and different symbolic interpretations of the frontier. Using Dutch registry data for the city of Rotterdam we identify ethnic social frontier locations using a Bayesian spatial model (Dean et al., 2019), exploiting the data’s one hundred metre resolution to estimate frontiers at a very small spatial scale. Regression analysis of moving decisions finds that the ethnic asymmetry of the frontier matters more than ethnicity of individual households. On the ethnic minority side of the frontier, households of all ethnicities in the 28–37 age range have reduced probability of moving compared to non-frontier parts of the city. The opposite is true on the Dutch native side of the frontier. We supplement this analysis with flow models which again find strong frontier effects. Our findings illustrate how the study of social frontiers can shed light on local population dynamics and neighbourhood change. ...

The role of accumulation, duration, timing and sequencing of exposure to poverty

Studies of neighbourhood effects increasingly research the neighbourhood histories of individuals. It is difficult to compare the outcomes of these studies as they all use different datasets, conceptualisations and operationalisations of neighbourhood characteristics and outcome variables. This paper contributes to the literature by studying educational attainment and comparing the effects of the timing, accumulation, duration and sequencing of exposure to neighbourhood poverty. We use longitudinal register data to study the population of children born in the Netherlands in 1995 and follow them until the age of 23. Our findings show that it is important to separate the early adult years (age 18–22) when constructing individual histories of exposure to neighbourhood poverty. We find that the effect of exposure to neighbourhood deprivation on educational attainment during adolescence is slightly stronger than the effect of exposure during childhood. We conclude that the observed relationship between neighbourhood poverty and educational attainment depends on how exposure to the neighbourhood effect is conceptualised and measured; choosing just one dimension could lead to under- or overestimation of the importance of exposure to neighbourhood poverty. ...

An Introduction to the Global Segregation Book

The book “Urban Socio-Economic Segregation and Income Inequality: a Global Perspective” investigates the link between income inequality and residential segregation between socio-economic groups in 24 large cities and their urban regions in Africa, Asia, Australia, Europe, North America, and South America. Author teams with in-depth local knowledge provide an extensive analysis of each case study city. Based on their findings, the main results of the book can be summarised as follows. Rising inequalities lead to rising levels of socio-economic segregation almost everywhere in the world. Levels of inequality and segregation are higher in cities in lower income countries, but the growth in inequality and segregation is faster in cities in high-income countries, which leads to a convergence of global trends. In many cities the workforce is professionalising, with an increasing share of the top socio-economic groups. In most cities the high-income workers are moving to the centre or to attractive coastal areas, and low-income workers are moving to the edges of the urban region. In some cities, mainly in lower income countries, high-income workers are also concentrating in out-of-centre enclaves or gated communities. The urban geography of inequality changes faster and is more pronounced than city-wide single-number segregation indices reveal. Taken together, these findings have resulted in the formulation of a Global Segregation Thesis. ...
This open access book investigates the link between income inequality and socio-economic residential segregation in 24 large urban regions in Africa, Asia, Australia, Europe, North America, and South America. It offers a unique global overview of segregation trends based on case studies by local author teams. The book shows important global trends in segregation, and proposes a Global Segregation Thesis.

Rising inequalities lead to rising levels of socio-economic segregation almost everywhere in the world. Levels of inequality and segregation are higher in cities in lower income countries, but the growth in inequality and segregation is faster in cities in high-income countries. This is causing convergence of segregation trends. Professionalisation of the workforce is leading to changing residential patterns. High-income workers are moving to city centres or to attractive coastal areas and gated communities, while poverty is increasingly suburbanising. As a result, the urban geography of inequality changes faster and is more pronounced than changes in segregation levels. Rising levels of inequality and segregation pose huge challenges for the future social sustainability of cities, as cities are no longer places of opportunities for all. ...
Journal article (2021) - Agata A. Troost, Maarten van Ham, Heleen J. Janssen
The non-random selection of people into neighbourhoods complicates the estimation of causal neighbourhood effects on individual outcomes. Measured neighbourhood effects could be the result of characteristics of the neighbourhood context, but they could also result from people selecting into neighbourhoods based on their preferences, income, and the availability of alternative housing. This paper examines how the neighbourhood effect on individual income is altered when geographic selection correction terms are added as controls, and how these results vary across three Dutch urban regions. We use a two-step approach in which we first model neighbourhood selection, and then include neighbourhood choice correction components in a model estimating neighbourhood effects on individual income. Using longitudinal register datasets for three major Dutch cities: Amsterdam, Utrecht and Rotterdam, and multilevel models, we analysed the effects for individuals who moved during a 5-year period. We show that in all cities, the effect of average neighbourhood income on individual income becomes much smaller after controlling for explicitly modelled neighbourhood selection. This suggests that studies that do not control for neighbourhood selection most likely overestimate the size of neighbourhood effects. For all models, the effects of neighbourhood income are strongest in Rotterdam, followed by Amsterdam and Utrecht. ...
Journal article (2021) - Heleen J. Janssen, Gerben J.N. Bruinsma, Frank M. Weerman
The aim of the current study is to provide an empirical test of containment theory of Walter Reckless (1899–1988). The theory proposes that outer and inner containment hold adolescents back from delinquency even when external factors pull and push them toward it. This early control theory was ahead of its time, but never received the empirical attention it deserves. This article outlines the core theoretical concepts and the basic propositions in order to empirically examine their validity. We employed hybrid linear regression analysis using longitudinal survey data of 612 adolescents (12–18 years old) in the city of The Hague, the Netherlands. The results indicate that outer and inner containment can be meaningfully distinguished, and that several but not all propositions of the theory are supported. Inner and outer containment function as a buffer against external pulls and are able to counteract the effect of increases in environmental pulls during adolescence. We conclude that containment theory is still a promising interaction theory that can help us understand why adolescents who experience external pulls toward delinquency are able to resist these influences. ...

Urban Socio-Economic Segregation and Income Inequality

Associations with adolescent problem behaviour and educational attainment

Journal article (2021) - Jaap Nieuwenhuis, Tom Kleinepier, Heleen Janssen, Maarten van Ham
We studied the relation between cumulative exposure to neighbourhood deprivation and adolescents’ Big Five personality traits, and the moderating role of personality in the relation between neighbourhood deprivation and the development of problem behaviour and educational attainment. We studied 5365 British adolescents from ages 10 to 16, with neighbourhood information from birth onwards. Extraversion, agreeableness, emotional stability, and openness to experience moderated the relation between deprivation and problem behaviour. For educational attainment, only extraversion was a moderator. This means that higher values on personality traits were related to weaker relations between neighbourhood deprivation and problem behaviour and educational attainment. The results showed the importance of taking into account adolescents’ personality when assessing developmental outcomes in relation to neighbourhood deprivation. ...

A Between- and Within-Person Analysis

Journal article (2020) - Heleen Janssen, Dietrich Oberwittler, Goeran Koeber
Objectives
We examined the effects of victimization on several aspects of well-being in a longitudinal study of a general population sample. Previous research has often been inconclusive, as it was largely based on cross-sectional data and prone to problems of unobserved heterogeneity and selection bias. We examined both between-person differences and within-person changes in well-being in relation to property and violent victimization. We investigated psychological and behavioral dimensions of well-being, controlling for and comparing with the effects of other negative life events.

Methods
We used data from a two-wave panel survey of 2928 respondents aged 25–89 nested in 140 neighborhoods in two large German cities. We applied random-effects modeling to separate between-person from within-person effects.

Results
The within-person detrimental effects of victimization were considerably smaller than between-person effects, which reflected preexisting, time-stable factors that distinguish individuals who have experienced victimization from individuals who have not. Detrimental effects concerned fear of crime, generalized trust, and neighborhood satisfaction, but did not extend to emotional well-being or life satisfaction, in contrast to other negative life events. We found empirical support both for adaptation (‘recovery’) effects as well as for anticipation effects. Violent victimization had stronger effects than property victimization, and victimization near the home had stronger effects than victimization elsewhere.

Conclusion
The findings indicate that violent victimization has palpable detrimental effects on security perceptions, trust and neighborhood satisfaction—but not on emotional well-being and life satisfaction—and that individuals largely recover from the victimization within 18 months. ...
Journal article (2020) - M. van Ham, M. Uesugi, T. Tammaru, D.J. Manley, H.J. Janssen
Based on data from the 1980s, Sassen’s influential book ‘The Global City’ interrogated how changes in the occupational structure affect socio-economic residential segregation in global cities. Here, using data for New York City, London and Tokyo, we reframe and answer this question for recent decades. Our analysis shows an increase in the share of high-income occupations, accompanied by a fall in low-income occupations in all three cities, providing strong evidence for a consistent trend of professionalization of the workforce. Segregation was highest in New York and lowest in Tokyo. In New York and London, individuals in high-income occupations are concentrating in the city centre, while low-income occupations are pushed to urban peripheries. Professionalization of the workforce is accompanied by reduced levels of segregation by income, and two ongoing megatrends in urban change: gentrification of inner-city neighbourhoods and suburbanization of poverty, with larger changes in the social geography than in levels of segregation. ...
Existing empirical research on the link between ethnic minority concentration in residential environments and voting for the radical right is inconclusive, mainly due to major differences between studies in the spatial scale at which minority concentration is measured. We examined whether the presence of non-western ethnic minorities in the residential environment, measured at four spatial scales, is related to individuals’ intention to vote for the Dutch Party for Freedom (Dutch acronym PVV). We combined individual level survey data and register data, and we used multi-level structural equation models to examine possible mediation by anti-immigrant attitudes and political dissatisfaction. The models show different effects at different scales. At the micro scale (100 by 100 meter grids) we find a curvilinear effect: individuals with 30–50 per cent non-western minorities in their direct living environment are most likely to report to vote for the PVV. At higher spatial scales (up to municipal level) we find that the higher the proportion of non-western minorities, the more likely individuals are to report to vote for the PVV. These effects can however not be explained by anti-immigrant attitudes or political dissatisfaction. We even find that at the micro scale the presence of non-western minorities is related to less anti-immigrant attitudes. ...
Journal article (2019) - Heleen Janssen, Dietrich Oberwittler, Dominik Gerstner
Although urban disorder has played a central role in neighborhood research, its impact may have been overstated in studies relying on the subjective perception of survey respondents only. Research on the “perception bias”—defined as the divergence between respondents’ subjective assessments and systematic observations of disorder—has revealed the ambiguous nature of disorder and opened a door to the analysis of the social construction of this environmental cognition. Using survey and observational data from 140 small neighborhoods in two German cities, we advance this research by focusing on the moderating role of residents’ interethnic contacts and attitudes. The results show that the effects of neighborhood minority concentration on the perception bias are conditional on the residents’ interethnic contacts and xenophobic attitudes. These findings highlight the subjectivity of disorder perceptions and caution against a naive understanding of Broken Windows theory. ...
Journal article (2019) - Tiit Tammaru, Szymon Marcińczak, Raivo Aunap, Maarten van Ham, Heleen Janssen
This paper provides new insights into the relationships between income inequality and residential segregation between socioeconomic groups by undertaking a comparative study of European urban regions. In Europe, income inequalities are the lowest in North Europe and the highest in South Europe. In many East European countries, a switch from low inequality to high inequality has taken place. The main findings show that changes in the levels of residential segregation between socioeconomic groups correlate to changes in the levels of income inequality found approximately 10 years earlier, that is, with a time lag. ...
Report (2019) - Patrícia Melo, José Gaspar, Heleen Janssen, Maarten van Ham, Eva Andersson, Bo Malmberg
Resituating the Local in Cohesion and Territorial Development. ...
The project investigated ethnic segregation in seven European capitals, namely Amsterdam, Berlin, Lisbon, London, Madrid, Paris, and Rome. These cities present a mix of immigration and welfare contexts in Europe. The study looked at the levels of ethnic segregation in each city and how these levels vary between them, how segregation manifests itself at different geographical scales and how it varies between the cities, and whether segregation varies between metropolitan cores and hinterlands. ...
This chapter develops a multi-level conceptual model of segregation, by using three conceptual levels – individuals and households, generations, and urban regions. Different socio-economic groups sort into different types of neighbourhoods and other domains, leading to patterns of segregation at the urban regional level. At the same time exposure to different socio-economic contexts also affects individual outcomes, and this subsequently leads to sorting processes into neighbourhoods and other domains. This vicious circle of sorting and contextual effects continuously crosses the three levels, and leads to higher levels of segregation. The chapter concludes with a discussion of several intervention strategies that focus on breaking the vicious circles to improve cities as places of opportunities by investing in people, in places and in transport. ...

Die überschätzte Rolle von „Broken Windows“ und die Herausforderungen ethnischer Diversität

Journal article (2017) - Dietrich Oberwittler, Heleen Janssen, Dominik Gerstner
Zeichen physischer und sozialer Unordnung im öffentlichen Raum gelten im „Broken Windows“-Ansatz als eine maßgebliche Ursache für Unsicherheitsgefühle und den dadurch verstärkten Niedergang großstädtischer Wohngebiete. Die empirische Bestätigung für diese These ist jedoch schwach, da viele Studien auf subjektiven Wahrnehmungen basieren, welche mit dem Unsicherheitsempfinden eng korreliert sind. Wir untersuchen anhand unabhängiger und systematischer Beobachtungen, welche individuellen und sozialräumlichen Eigenschaften den subjektiven „Wahrnehmungsfilter“ der Bewohner*innen prägen und wie stark die Wirkung von Unordnung auf das Unsicherheitsgefühl tatsächlich ist. Die Auswertungen basieren auf der Bewohner*innenbefragung des Projekts SENSIKO in Köln und Essen mit ca. 6500 Befragten in 140 Wohngebieten sowie auf systematischen sozialen Beobachtungen und Strukturdaten. Es zeigt sich in Übereinstimmung mit früheren Studien, dass die Wahrnehmung sowohl von Unordnung als auch von Unsicherheit maßgeblich vom Anteil der sichtbaren Minderheiten angetrieben wird. Erstmals wird gezeigt, dass dieser Effekt sehr stark von den individuellen Einstellungen der Bewohner*innen zu Migration abhängig ist. Das Ausmaß systematisch beobachteter Unordnung hat über den Effekt der ethnischen Diversität hinaus nur in Essen, nicht aber in Köln einen furchtsteigernden Effekt. Die Ergebnisse unterstreichen die Herausforderung, die dem Zusammenleben in Großstädten durch eine wachsende Migration erwächst, und weisen zugleich auf die starke Kontextabhängigkeit der Wirkungen sozialräumlicher Problemlagen auf das lokale Unsicherheitsempfinden hin. ...
Journal article (2017) - Heleen J. Janssen, Veroni I. Eichelsheim, Maja Deković, Gerben J.N. Bruinsma
In the current study, we examined longitudinally whether boys and girls differed in pathways from parenting to delinquency. Longitudinal mediational models were tested for boys and girls separately in which three parenting dimensions (i.e., monitoring, limit setting, and the quality of the parent-adolescent relationship) were hypothesized to influence adolescents’ level of self-control, delinquent attitudes, peer delinquency, and time spent in criminogenic settings, which in turn, were hypothesized to affect delinquency. Using data of 603 adolescents (11–17 years of age at T1) we found mean level differences between boys and girls in parental monitoring, parental limit-setting, self-control, delinquent attitudes, and peer delinquency. The results suggest furthermore that the model linking parenting to delinquency is similar for boys and girls. We found, however, that the indirect effect from the quality of the parent-adolescent relationship through self-control is stronger for girls than for boys. ...