Tackling crime and vandalism on post-war housing estates: The Dutch approach

This paper is based on two papers presented at the Paris conference, “Housing debates—Urban challenges”, 3–6 July 1990. Our research is part of a large-scale research project being conducted at the Research Institute for Policy Sciences and Technology (OTB) at the University of Delft into the problems of vandalism and crime on housing estates. This research is sponsored by the Ministries of Justice and Home Affairs, and affiliated to the research program of Urban Networks.     

Housing management matters: Citizenship and managerialism in the new welfare market

This paper addresses three neglected issues in the restructuring of housing policy and provision in the UK in the 1980s and 1990s: first, the relationship between welfare restructuring and management regimes; second, the nature of local variations in the impact of welfare restructuring; and third, the significance of human agency interpretations of change. The paper starts by summarizing the main features of welfare state restructuring and then considers recent manifestations of citizenship and managerialism in housing. Three competing conceptions of citizenship rights are used to examine changing notions of welfare: “market efficiency”, “institutionalized rights” and the “radical challenge” provided by social movements. A four-part typology of the main concepts and themes in the “new public management”—“efficiency”, “downsizing and decentralization”, “excellence” and “public service”—is used to present the main components of change in management regimes. The paper draws on literatures on housing management, citizenship and “the new public management” and on recent research into tenant participation, housing rights and housing advice services. Conclusions are drawn about how tensions between different conceptions of citizenship and public management are implicated with national and global influences at the local level to create particular welfare outcomes.     

Glowing connections

This paper gives the results of a series of experiments and how they shed light on problems of electrical fires. Experimental glowing connections were made by allowing wires to make poor contact with another object in series in a circuit. Note: The information in this paper was presented in the course “Electrical fires” at the University of Wisconsin—Extension, Madison, Wisconsin, April 1982.     

Restricting access in a job chains model of local employment creation

The job chains model of local labor market change is a demand-driven analytic device for estimating the effects of new job creation. This paper explores the effects of restricting supply, i.e., limiting job access, on the model’s primary outcomes: vacancy chain multipliers, welfare effects, and distributional impacts. Major sources of labor supply are the local unemployed, out of the labor force and in-migrants. Three simulations are reported relating to (1) restricting new jobs to current local residents (i.e., no in-migrants), (2) restricting new jobs to current residents in the first round of hiring only, and (3) restricting hiring to local unemployed/out of labor force on the first round alone. The results are compared to the basic model that assumes no supply-side restrictions. In terms of chain length, welfare effects, distributional impacts, and policy palatability, first-round restrictions on in-migrants would seem to be the most plausible option. However, as an economic development strategy, well-targeted demand-side initiatives would still seem to be preferable.

Growth of new firms and spatially bounded knowledge externalities

If localized knowledge spillovers are important, new firms will tend to locate in proximity of one another, as well as other knowledge sources, in order to capitalize on external knowledge stocks. Although theories that emphasize knowledge spillovers thus present the urban and regional character of a firm’s proximity to knowledge sources as a stylized fact, the microfoundations of economic growth in agglomerations are among the most anticipated issues in urban economic research. In this paper, we define knowledge-intensive environments along several dimensions, and analyze new firms’ survival and growth at the individual level. We apply multilevel regression to avoid potential estimation biases, and use firm-level data for newly established manufacturing and business services firms over the period of 2001–2006 in the Netherlands. We find that the urban knowledge context significantly relates to firm-level employment growth, but that this is conditioned by heterogeneous features of the firm population and knowledge externalities, including (a) industries—more in services than in manufacturing; (b) types of knowledge context—more positively related to (non-technical) innovation than to (technologically) R&D related variables; and (c) types of post entry process—different for survival and growth. We also find significant interaction effects between the growth of R&D-specialized firms with university presence.     

Spatial dependence and the representation of space in empirical models

A well-formed spatial model should most likely not produce spatial autocorrelation at all. From this perspective spatial autocorrelation is not (pure) statistical nuisance but a sign of that a model lacks a representation of an important economic phenomenon. In a Knowledge Production Function (KPF) context, this paper shows that a representation of space reflecting the potential of physical interaction between localities by means of accessibility variables on the “right-hand-side”—a simple alternative to spatial lag and spatial error which can be estimated by OLS—captures substantive spatial dependence. Results are verified with Monte Carlo simulations based on Anselin’s (Int Reg Sci Rev 26(2):153–166, 2003) taxonomy of modelled and unmodelled effects. The analysis demonstrates that an accessibility representation of explanatory variables depict the network nature of spatial interaction, such that spatial dependence is actually modelled.     

Editor’s introduction to: a scholarly tribute to the 50th anniversary of the Western Regional Science Association

The paper provides an interpretive guide to the Special Issue commemorating the 50th anniversary of the Western Regional Science Association. The Special Issue contains 13 papers arranged into four groups (1) Perspectives on the Western Regional Science Association, (2) Assessment with a view to the future (3) Current topics—regional issues, and (4) Current topics—urban issues.     

Does Gibrat’s law for cities hold when location counts?

According to Gibrat’s law, the growth rates of cities are expected to be independent of their sizes. In this study, we hypothesize that growth rates do depend on population size, but that the direction of the relationship depends on location, i.e., in unfavorable loci, growth rates are positively related to size, while the relationship is reversed in favorable loci, i.e., places with several location advantages. The present study examines that possibility, using 1990–2000 population growth data for two levels of geographic resolution—4,667 local administrative units (i.e., municipalities) and 2,189 contiguous urban areas in 40 European countries. According to our findings, when individual localities are considered, ‘proportionate’ growth (expected under Gibrat’s law) emerges at the aggregate (system-wide) level, but ‘dissipates’ when the settlement system is disaggregated into two urban sub-systems, formed by well-positioned localities and poorly positioned ones. Concurrently, for urban areas, a strong positive association between population size and growth emerges both before and after controlling for location attributes. However, this association between population size and growth is not especially strong, if favorably and unfavorably located urban areas are looked at separately.     

Urban Policy in Post-Apartheid South Africa: Context,Evolution and Future Directions

Against a backdrop of definitions and conceptual clarifications of the term urban policy, including its expression in the developing world—and Africa, in particular—this paper reviews the trajectory of urban policy in South Africa post-1994 and comments on future directions and plausible scenarios. In a highly specific context-dependent analysis, the paper argues that, in the first 10 years of democracy, we have seen the creation of democratic, integrated development local government, mass delivery of housing and services, a finely crafted array of capital and operating subsidies for delivery to lowincome households, and a number of programmes intended to enhance the capacity of local government to undertake delivery. All of these have been centrally driven. The counterpoint to the national perspective and frameworks, the paper argues—and in evidence over the past 5 years, in particular—is the increasingly robust role and influence of cities in setting the urban agenda and, in effect, leading urban policy. The paper concludes by examining the many points that contribute to this view.

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Private rented housing in France

This paper reviews the evolution of the French private rented housing sector. It traces post-war policy developments, putting the specific tenure in a wide housing market context. The paper reviews France’s intricate system of personal and property—oriented housing subsidies, and assesses their demand and supply side repercussions. Discussion of the general post-war decline in private rented housing as a means of housing consumption is situated in the evolution of the national housing system, and the paper alludes to some key regional and local differentiations. The paper discusses the market contexts for attempts to revitalise the sector, concluding that broad fiscal measures are likely to have greater impact than rent decontrol. Madhu Satsangi is Lecturer in Housing Studies at the School of Planning and Housing, Edinburgh College of Art/Heriot-Watt University. Madhu has researched housing markets, voluntary and private-sector housing finance and housing management issues.     

Survey Results of Combustible Contents and Floor Areas in Canadian Multi-Family Dwellings

This paper presents the results of a survey of floor areas and combustible contents in multi-family dwellings such as semi-detached houses, town houses and low-rise apartments. The survey was primarily based on measurements and photographic information obtained from real-estate websites. This is a novel method, which reduces the effort required to conduct fire load surveys in residential buildings. In addition to quantifying combustible contents, an important objective of the survey was to determine the similarities in combustible contents and configurations of these dwellings, which could be used in designing fire experiments. The survey provided an insight into the types and quantity of combustible contents found in the dwellings, as well as the types of floor configurations and other information that are pertinent to fire issues. Typical furnishings that constituted a significant portion of the movable fire load were identified and possible values of fire load densities were calculated for rooms such as: kitchens, dining rooms, living rooms and bedrooms. The average fire load densities in various rooms were estimated to be: kitchens—807 MJ/m²; dining rooms—393 MJ/m²; living rooms—412 MJ/m²; basement living rooms—288 MJ/m²; primary bedrooms—534 MJ/m²; and, secondary bedrooms—594 MJ/m². Although kitchens had the highest fire load densities the actual fire load (heat content) was found to be lower than bedrooms, which have a higher fire load due to the presence of mattresses, clothing and carpeting.     

A spatiotemporal analysis of public pharmaceutical expenditure

A regression model for per capita public pharmaceutical expenditure, based on aggregate data from fifty Spanish provinces, observed annually for the period 1996–2002 is analyzed. The necessity of simultaneously controlling for dynamic patterns and spatial autocorrelation is demonstrated. As the aim of the present and related studies of small-area variation is to control for spatial association rather than to formulate it as an explicit part of a model, the traditional application of parametric spatial autocorrelation or spatial autoregression specifications seems unnecessarily restrictive and superfluous. The present study analyzes the effects of spatial association using a non-parametric spatial filtering approach. The importance of adjusting for spatial association is confirmed, but it is further shown that the parametric and the non-parametric approaches may lead to substantially different conclusions regarding explanation of pharmaceutical expenditure variations. Thus, the need for further evidence on the implications of spatial association—and the recognition that this is more than just spatial autocorrelation and/or spatial autoregression—when analyzing complex large area behavior using small area data is demonstrated.     

Steering local housing production: evaluating the performance of governance structures

This paper presents an analytical framework that allows us to evaluate the performance of dynamic governance structures. In housing development processes, governance structures—markets, hierarchies and network or relational structures—change as the process proceeds, and so do the goals that are set by all stakeholders, including local authorities. A framework for evaluation is set out that takes account of this temporal component. It is applied empirically to three case studies in the city of Arnhem (The Netherlands). The paper concludes that the effectiveness of steering housing production by local authorities depends on choosing appropriate governance structures, setting realistic goals, and a local authority that acts accordingly. Many of the choices with regard to goals and governance structures are not made autonomously but are structured by the spatial and institutional context in which they operate. A systematic evaluation of the performance of governance structures, within their context, could improve local government’s capacity to steer housing production.

Performing the Primitive in the Postcolony: Nyoni’s Kraal in Cape Town

The production of particular spaces for tourist consumption of the “exotic” other involves the performance of particular conceptualizations of people and places that recreates theatrical versions of the primitive. Through analysis of one such space—Nyoni’s Kraal in Cape Town—we contend that both hosts and visitors are complicit in the construction of these spaces and imaginaries. To this end, practices of social and spatial policing as well as performativity and representations of cultural constructs of an “authentic Africa” are deployed in the projection of a specific form of constructed, “benign” multiculturalism. We contend that such practices reproduce a mythical idyll of Africa for consumption that recreates—rather than questions—colonial power structures, and therefore remain imbued with the inequitable and uncertain outcomes of modernity.

The method of eliminating phenol with the use of tyrosinase <Emphasis Type="Italic">Agaricus bisporus</Emphasis> immobilized in alginate

We have considered the method of oxidizing aqueous solutions of phenol (0.25–2.00 mmol/dm³) with the use of a biocatalyst—a partially purified tyrosinase immobilized into calcium alginate. In optimal conditions (pH 7.2, T—25°C, transformation time—one hour, phenoloxidase activity—25–200 unit/cm³) when adding a PEG-6000 stabilizer the preparation stabilized complete oxidation of phenol in a periodic-action reactor during 12 cycles and retained a high degree of transformation of the substrate during the following 16 cycles. The concentrations of coagulants necessary for elimination of transformation products using the immobilized enzyme were reduced 2.5-fold compared with such for a free biocatalyst.     

Passage,Profit, Protection,and the Challenge of Participation: Building and Belonging in African Cities

Accepting that successful “development” is premised on a population's participation in a collective undertaking, we must understand urban residents' interactions and ambitions. In African cities being transformed by geographic and social mobility, it is unclear what forms of inclusion, solidarity, or mutual recognition are desired or possible among those who live there. This paper argues that the pursuit of three objectives—profit, protection, and passage—is shaping these cities' social formations in ways that limit the ability of official and non-official institutions to interweave popular aspirations—however temporarily—to promote a common and mutually beneficial future. The paper starts from the premise that the novelty of the emerging social forms within Africa's cities requires a willingness to induce: to build a conceptual vocabulary of belonging reflecting practices of those living in and moving through Africa's cities. Only after doing this will we have the building blocks for further debate. With this in mind, the paper works towards a pair of interrelated tasks. The first is to challenge three premises often informing discussions of mobility and urban politics: (1) the presence of a dominant host community or political order; (2) that cities are destinations and not points of transit; and (3) that state institutions are the primary source of exclusion and the most potent tool for fostering inclusion in a collective endeavor. Second, it considers one form of membership and inclusion that can emerge where the presumptions outlined above do not hold. In doing so, it points to a kind of “tactical cosmopolitanism”, a set of discourses and practices that can subvert ethnic or national chauvinism and restrictive migration or anti-urbanization policies and practices. Drawing primarily on examples from Johannesburg, it shows how migrants negotiate partial inclusion in transforming societies without becoming bounded by them. The paper ends by reflecting briefly on the challenges such tactics pose for generating a collective urban project.     

Identifying local determinants of destination choices of international immigrants to the Madrid metropolitan area

We examine the local determinants of destination choices of foreign immigrants to the Madrid metro area using data for 2005 and 2009 from the Spanish annual municipal‐level registers of inhabitants. Taking advantage of the equivalence relation between conditional logit and Poisson, we estimate a location‐choice model using the Poisson fixed‐effects estimator. Origin‐destination fixed effects are incorporated to account for the persistent spatial structure of the immigrants' settlement patterns and to control for potential violations of the independence of irrelevant alternatives (IIA) assumption. The Poisson regression model is estimated for seven different groups of immigrants according to world regions or countries of origin. Our modelling strategy has important empirical implications, with magnitudes and/or signs of the estimated coefficients changing in the expected directions. It is found that newly arriving immigrants tend to settle in low‐to‐middle‐income locations in the suburban reaches of the Madrid metro area. Moreover, the effects of the size of local communities of established immigrants are found to be insignificant and even negative in several instances, reflecting hetero‐local settlement preferences and/or the saturation of local networks causing in‐group job rivalry, respectively.     

Quelques Exemples de Photo-Interpretation Au Service de la Geologie Appliquee

Résumé Dans cette communication, les auteurs ont voulu montrer l’intérêt de la recherche sur photographies aériennes de problèmes limités, considérée comme une technique courante, économique et efficace. Des exemples sont présentés à l’appui de cette thèse : — la détection d’un important gisement de kaolin; — 1 l’analyse de phénomènes mécaniques présentant des conséquences facheuses pour des ouvrages de génie civil.

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In this paper the authors show the value of research on limited problems using air photo-interpretation as an economic and efficient technique. Example presented to support the thesis: — the detection of important deposits of kaolin; — the analysis of mechanical phenomena producing troublesome consequences in civil engineering works.

     

Social housing programme of Selangor <Emphasis Type="Italic">Zakat</Emphasis> Board of Malaysia and housing satisfaction

Social housing in Malaysia is provided through the public and private sectors. Recently, the Selangor Zakat Board (SZB) has started to provide social housing in the state of Selangor, Malaysia. Up to 2007, a total of 906 units have been delivered under its different programmes. This paper evaluates these programmes by adopting the housing satisfaction model which is currently used as a customer satisfaction tool for public/private housing in many local governments in the UK and USA. The main purpose of this paper is to identify the types of housing programmes adopted by SZB and examine beneficiaries’ housing satisfaction in each programme on a comparative plane. In order to examine housing satisfaction, five objective components of satisfaction—housing unit features, housing unit support services, the social environment, public facilities and neighbourhood facilities—were analysed through beneficiaries’ levels of satisfaction which were measured by applying a Likert scale. The findings of the paper indicate that SZB has been successful in providing a moderate level of satisfaction with the housing unit. However, the existence of variable levels of satisfaction with other components implies that there is still scope to enhance residents’ satisfaction with those components.