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  1. Digital urban network connectivity
    global and Chinese internet patterns
    Autor*in: Tranos, Emmanouil; Kourtit, Karima; Nijkamp, Peter
    Erschienen: 2012

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    ZBW - Leibniz-Informationszentrum Wirtschaft, Standort Kiel
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    Format: Online
    Weitere Identifier:
    hdl: 10419/87442
    Schriftenreihe: Array ; 2012,124
    Umfang: Online-Ressource (21 S.), graph. Darst.
  2. Firm formation and agglomeration under monopolistic competition
    Autor*in: Brunow, Stephan; Nijkamp, Peter
    Erschienen: 2013

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    ZBW - Leibniz-Informationszentrum Wirtschaft, Standort Kiel
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    Weitere Identifier:
    hdl: 10419/87408
    Schriftenreihe: Array ; 2013,134
    Umfang: Online-Ressource (32 S.), graph. Darst.
  3. A target-oriented data envelopment analysis for energy-environment efficiency improvement in Japan
    Autor*in: Suzuki, Soushi; Nijkamp, Peter; Rietveld, Piet
    Erschienen: 2013

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    Weitere Identifier:
    hdl: 10419/87177
    Schriftenreihe: Array ; 2013,137
    Umfang: Online-Ressource (14 S.), graph. Darst.
  4. Mobile phone data and urban analysis
    an exploratory space-time study
    Autor*in: Tranos, Emmanouil; Steenbruggen, John; Nijkamp, Peter
    Erschienen: 2013

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    Weitere Identifier:
    hdl: 10419/87492
    Schriftenreihe: Array ; 2013,139
    Schlagworte: Stadtentwicklung; Mobilkommunikation; Datenqualität; Amsterdam
    Umfang: Online-Ressource (14 S.), Kt.
  5. An exploratory landscape metrics approach to agricultural changes
    applications of spatial economic consequences for the Algarve, Portugal
    Autor*in: Vaz, Eric de Noronha; Noronha, Teresa de; Nijkamp, Peter
    Erschienen: 2013

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    Format: Online
    Weitere Identifier:
    hdl: 10419/87551
    Schriftenreihe: Array ; 2013,140
    Umfang: Online-Ressource (16 S.), graph. Darst.
  6. From islands to hubs of innovation
    connecting innovative regions
    Autor*in: Caragliu, Andrea; Nijkamp, Peter
    Erschienen: 2013

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    Format: Online
    Weitere Identifier:
    hdl: 10419/87323
    Schriftenreihe: Array ; 2013,141
    Umfang: Online-Ressource (14 S.), graph. Darst.
  7. Homeownership, unemployment and commuting distances
    Autor*in: Kantor, Yuval; Nijkamp, Peter; Rouwendal, Jan
    Erschienen: 2013

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    Weitere Identifier:
    hdl: 10419/87371
    Schriftenreihe: Array ; 2013,144
    Umfang: Online-Ressource (24 S.), graph. Darst.
  8. Modelling tourism development and long-run economic growth in Aruba
    Autor*in: Ridderstaat, Jorge; Croes, Robertico; Nijkamp, Peter
    Erschienen: 2013

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    Format: Online
    Weitere Identifier:
    hdl: 10419/87486
    Schriftenreihe: Array ; 2013,145
    Umfang: Online-Ressource (22 S.), graph. Darst.
  9. Crowding externalities from tourist use of urban space
    Autor*in: Neuts, Bart; Nijkamp, Peter; Leeuwen, Eveline S. van
    Erschienen: 2013

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    Format: Online
    Weitere Identifier:
    hdl: 10419/87447
    Schriftenreihe: Array ; 2013,146
    Umfang: Online-Ressource (22 S.)
  10. Assessment of local key sectors in a triple-layer spatial system
    Autor*in: Leeuwen, Eveline S. van; Ishikawa, Yoshifumi; Nijkamp, Peter
    Erschienen: 2013

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    Format: Online
    Weitere Identifier:
    hdl: 10419/87250
    Schriftenreihe: Array ; 2013,147
    Umfang: Online-Ressource (19 S.), graph. Darst.
  11. Space and knowledge spillovers in European regions
    the impact of different forms of proximity on spatial knowledge diffusion
    Autor*in: Caragliu, Andrea; Nijkamp, Peter
    Erschienen: 2013

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    ZBW - Leibniz-Informationszentrum Wirtschaft, Standort Kiel
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    Format: Online
    Weitere Identifier:
    hdl: 10419/87353
    Schriftenreihe: Array ; 2013,148
    Umfang: Online-Ressource (32 S.), graph. Darst., Kt.
  12. Digital infrastructure and physical proximity
    Autor*in: Tranos, Emmanouil; Nijkamp, Peter
    Erschienen: 2013

    Some 2000 years ago, the average annual distance a person would normally travel, was approximately 500 km. The action radius of most people remained rather stable, but it rose gradually after the industrial revolution to some 1820 km (by car, bus,... mehr

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    Some 2000 years ago, the average annual distance a person would normally travel, was approximately 500 km. The action radius of most people remained rather stable, but it rose gradually after the industrial revolution to some 1820 km (by car, bus, railway or aircraft) in the year 1960. Then, a period of rapid increase started, with almost 4390 km per year in 1990. Clearly, air transport, but also technological advances and changing lifestyles formed the background of this megatrend. Accessibility and proximity have become keywords in understanding the geographical pattern of the "homo mobilis". The question is if and how this pattern of physical movement will be affected by the digital revolution.

     
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    Weitere Identifier:
    hdl: 10419/87272
    Schriftenreihe: Array ; 2013,172
    Umfang: Online-Ressource (31 S.), graph. Darst, Kt.
  13. Accessibility of cities in the digital economy
    Autor*in: Tranos, Emmanouil; Reggiani, Aura; Nijkamp, Peter
    Erschienen: 2013

    This paper introduces a new measure to approach the accessibility of places in the frame of the digital economy. Information and Communication Technologies (ICTs) and the Internet are not equally spread around places and this heterogeneity affects... mehr

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    This paper introduces a new measure to approach the accessibility of places in the frame of the digital economy. Information and Communication Technologies (ICTs) and the Internet are not equally spread around places and this heterogeneity affects spatial configuration. Despite the wide societal changes due to ICTs and the extensive interest in accessibility studies, these two themes have not yet come together in order to study the digital accessibility (DA) of places. Adopting an infrastructural perspective and a potential accessibility framework, a DA measure a€" embedding different types of impedance distance functions a€" is calculated for cities in Europe. Spatial Interaction Model and Complex Network Analysis are employed to calibrate and validate the DA results. The outcome of this approach is a new urban hierarchy which reveals a core-periphery pattern in Europe owing to digital accessibility.

     
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    Format: Online
    Weitere Identifier:
    hdl: 10419/87396
    Schriftenreihe: Array ; 2013,160
    Umfang: Online-Ressource (20 S.), graph. Darst.
  14. Preference elicitation in generalized data envelopment analysis
    in search of a new energy balance in Japan
    Autor*in: Suzuki, Soushi; Nijkamp, Peter; Rietveld, Piet
    Erschienen: 2013

    The recent dramatic change in energy supply in Japan has prompted a search for a new energy-environment-economic efficiency policy, in which a compromise has to be found between a sufficient supply of energy resources, the development of low carbon... mehr

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    The recent dramatic change in energy supply in Japan has prompted a search for a new energy-environment-economic efficiency policy, in which a compromise has to be found between a sufficient supply of energy resources, the development of low carbon emission technology, and a continuation of economic growth. The prefectures in Japan - 46 in total (excluding Tokyo) - are regarded as the institutional agents or decision-making units (DMUs) which are responsible for the design of a new sustainable energy balance in these regions. The main challenge is now to design an efficient energy-environment-economic system. The present paper aims to develop a balanced decision-support tool for achieving an efficient energy supply in all Japanese prefectures. To that end, a new variant of Data Envelopment Analysis (DEA) is presented, which is characterized by two integrated features: (i) the use of a general Euclidean Distance Method (EDM) to achieve the most appropriate movement towards the efficiency frontier surface (in contrast to the standard radial movement, leading to a uniform proportional input reduction – or uniform proportional output increase); (ii) the incorporation of preference-based (PB) adjustments in efficiency strategies regarding the input reduction allocation - or the output increase allocation - of DMUs in order to balance rigorous efficiency decisions with political priorities at the regional level. This paper illustrates this new methodology by means of an application to prefectural energy efficiency strategies in Japan.

     
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    Format: Online
    Weitere Identifier:
    hdl: 10419/87415
    Schriftenreihe: Array ; 2013,162
    Umfang: Online-Ressource (20 S.), graph. Darst.
  15. Biodiversity prospecting over time and under uncertainty
    a theory of sorts
    Autor*in: Batabyal, Amitrajeet A.; Nijkamp, Peter
    Erschienen: 2013

    Biodiversity prospecting refers to the exploration of the commercial value of genetic and biochemical resources. In this chapter, we study a drug producing pharmaceutical firm (PF) that searches for potentially useful chemicals made by wild organisms... mehr

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    Biodiversity prospecting refers to the exploration of the commercial value of genetic and biochemical resources. In this chapter, we study a drug producing pharmaceutical firm (PF) that searches for potentially useful chemicals made by wild organisms in a conservation area. This PF is able to assign quality levels to the wild organisms in the conservation area. Organism quality is a proxy for the potential usefulness of the chemicals in an organism. At each date, our PF must decide whether to search for a new wild organism with a certain quality or to produce the drug in question with an extant wild organism with its own quality. Our theoretical analysis leads to four results. First, we show that if our PF discards a wild organism with a certain quality at a point in time then it will never use this same organism at a subsequent point in time. Second, we show that if our PF uses a particular organism with its quality at a point in time then it will co ntinue to produce the drug with the chemicals from this organism at all later points in time. Third, we show that there is a threshold level of organism quality and that our PF's optimal policy involves using (discarding) all organisms with quality above (below) this threshold. Finally, we study the impacts of increases in an exogenous income source and the discount factor on our PF's threshold quality.

     
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    Format: Online
    Weitere Identifier:
    hdl: 10419/87324
    Schriftenreihe: Array ; 2013,163
    Umfang: Online-Ressource (24 S.)
  16. Do income disparities dissipate across the US states?
    experimenting with a Vector Error Correction Model
    Autor*in: Alexiadis, Stilianos; Eleftheriou, Konstantinos; Nijkamp, Peter
    Erschienen: 2013

    This paper examines the long-run trends in per-capita income across the US states (1929-2005). Our analysis advocates and implements a Vector Error Correction Model (VECM), in order to investigate whether disparities in per-capita income embody a... mehr

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    This paper examines the long-run trends in per-capita income across the US states (1929-2005). Our analysis advocates and implements a Vector Error Correction Model (VECM), in order to investigate whether disparities in per-capita income embody a stable long-run relation. The empirical application is supplemented with Factor Analysis to identify groups of States with a common behaviour in terms of per-capita income.

     
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    Medientyp: Buch (Monographie)
    Format: Online
    Weitere Identifier:
    hdl: 10419/87287
    Schriftenreihe: Array ; 2013,165
    Umfang: Online-Ressource (14 S.), graph. Darst., Kt.
  17. Regional inequality and human capital quality
    the impact of technology on the arrival rate of employment offers
    Autor*in: Alexiadis, Stilianos; Eleftheriou, Konstantinos; Nijkamp, Peter
    Erschienen: 2013

    This paper aims to provide a conceptual and operational context for analysing regional inequalities. It does so by utilizing a 'search & matching' framework. The model, developed in this paper, maps the way in which individuals are distributed... mehr

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    This paper aims to provide a conceptual and operational context for analysing regional inequalities. It does so by utilizing a 'search & matching' framework. The model, developed in this paper, maps the way in which individuals are distributed according to: 1) the abilities of individuals to perform certain, specified, tasks; and 2) the degree of regional specialization. The impacts of advances in information technology are examined explicitly in this model. While the relevant theoretical and empirical literature analyses the impact of technological progress with respect to changes in regional productivity, the present model takes an alternative perspective. This model is focused, explicitly, upon changes in the arrival of job offers and employment opportunities. The way in which individuals decide about employment, as an aftermath of changes in information technology, is constructed using the aforementioned framework. Consequently, this approach provides an account for the distribution of 'human capital' (from the perspective that individuals acquire jobs in sectors in which they are more productive) across regions, and, by extension, for the persistence of regional inequalities. Regional inequalities are attributed to possible mismatches, leading individuals to accept job offers from sectors in which they are less productive. Simulation experiments, then, complement the theoretical framework, while some preliminary empirical evidence using a sample of NUTS-2 and NUTS-3 regions in Europe, is also presented.

     
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    Format: Online
    Weitere Identifier:
    hdl: 10419/87281
    Schriftenreihe: Array ; 2013,166
    Umfang: Online-Ressource (22 S.), graph. Darst.
  18. In search of creative champions in high-tech spaces
    a spatial application of Strategic Performance Management
    Autor*in: Kourtit, Karima; Nijkamp, Peter
    Erschienen: 2013
    Verlag:  Tinbergen Inst., Rotterdam [u.a.]

    The business performance of firms in the creative high-tech sector shows much variation. This paper examines whether the geographical location of such business firms influences the performance of these firms. The overarching analysis framework of... mehr

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    The business performance of firms in the creative high-tech sector shows much variation. This paper examines whether the geographical location of such business firms influences the performance of these firms. The overarching analysis framework of this paper emerges from the recently developed Strategic Performance Management (SPM) concept for individual firms, which in the present study is extended with spatial meso-attributes related to the location of these firms. SPM aims to improve the firms' competitive performance through the application of strict internal management principles. Our study thus adopts a micro-business perspective on the organizational determinants of a firm's economic performance and its links with distinct spatial entrepreneurship conditions and general economic moderator variables. The present study focuses on both large and small and medium-sized (SME) firms, mainly operating in the creative high-tech sector in the Netherlands. The research methodology uses stepwise the following analytical tools: multivariate analysis of an extensive micro- and meso-data set on the internal performance of firms and regional covariates; Data Envelopment Analysis (DEA) and its recent extension to super-efficient DEA for mapping out in a comparative way the achievements of both regions and firms; a GIS-oriented statistical analysis to identify geographically-discriminating factors in the firms' performance; and the design and estimation of a Structural Equations Model (SEM) for assessing the performance of the firms concerned (using what is called the "flying disc" model). Our results show significant differences in the performance of large vis-à-vis SME firms that have adopted SPM, while their geographical position in the country, in general, also plays a significant role.

     
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    Format: Online
    Weitere Identifier:
    hdl: 10419/89252
    Schriftenreihe: Array ; 2013,193
    Umfang: Online-Ressource (30 S.), graph. Darst.
  19. High performance in complex spatial systems
    a eelf-organizing mapping approach with reference to the Netherlands
    Autor*in: Kourtit, Karima; Arribas-Bel, Daniel; Nijkamp, Peter
    Erschienen: 2013
    Verlag:  Tinbergen Inst., Rotterdam [u.a.]

    This paper addresses the performance of creative firms from the perspective of complex spatial systems. Based on an extensive high-dimensional database on both the attributes of individual creative firms in the Netherlands and a series of detailed... mehr

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    This paper addresses the performance of creative firms from the perspective of complex spatial systems. Based on an extensive high-dimensional database on both the attributes of individual creative firms in the Netherlands and a series of detailed regional facilitating and driving factors related, inter alia, to talent, innovation, skills, networks, accessibility and hardware, a new methodology called self-organizing mapping (SOM) is applied to identify and explain in virtual topological space, the relative differences between these firms and their business performance in various regions. It turns out that there are significant differences in the spatial and functional profile of large firms vis-à-vis SMEs across distinct geographical areas in the country.

     
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    Weitere Identifier:
    hdl: 10419/89255
    Schriftenreihe: Array ; 2013,194
    Umfang: Online-Ressource (30 S.), graph. Darst., Kt.
  20. Did Zipf anticipate socio-economic spatial networks?
    Autor*in: Reggiani, Aura; Nijkamp, Peter
    Erschienen: [2012]
    Verlag:  Alma Mater Studiorum - Università di Bologna, Department of Economics, Bologna, Italy

    An avalanche of empirical studies has addressed the validity of the rank-size rule (or Zipf's law) in a multi-city context in many countries. City size in most countries seems to obey Zipf's law, but the question under which conditions (e.g. sample... mehr

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    An avalanche of empirical studies has addressed the validity of the rank-size rule (or Zipf's law) in a multi-city context in many countries. City size in most countries seems to obey Zipf's law, but the question under which conditions (e.g. sample size, spatial scale) this 'law' holds remained largely underinvestigated. Another complementary question is whether socio-economic networks in space also show a similar hierarchical pattern. Against this background, the present paper investigates - from a methodological viewpoint - the relationship between network connectivity and the rank-size rule (or Zipf's law) in an urban-economic network constellation. After a review of the literature, we address in particular the following methodological issues: (i) the (aggregate) behavioural foundation underlying the rank-size rule/Zipf's law in the light of spatial-economic network theories (e.g. entropy maximization, spatial interaction theory, etc.); (ii) the nature of the analytical relationship between social-spatial network analysis and the rank-size rule/Zipf's law. We argue that the rank size rule is compatible with conventional economic foundations of spatial network models. Consequently, a spatial-economic interpretation - as well as a network connectivity interpretation - of the rank-size rule coefficient is provided. Our methodological contribution forms the foundation for the subsequent empirical analysis applied to spatial networks in a socio-economic context. The aim here is to test the sensitivity of empirical findings for changes in scale, functional forms, time periods, and network structures. Our application is concerned with an extensive spatio-temporal panel database related to the evolution of urban population in Germany. We test the relevance of the rank-size rule/Zipf's law, and its evolution over the years, and - in parallel - the related 'socio-economic' connectivity in these urban networks. In particular, we will show that Zipf's law (i.e., with the rank-size coefficient equal to 1) is only valid under particular conditions of the sample size. The paper concludes with some retrospective and prospective remarks.

     
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    46
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    Sprache: Englisch
    Medientyp: Buch (Monographie)
    Format: Online
    Weitere Identifier:
    hdl: 10419/159655
    Schriftenreihe: Working paper DSE / Department of Economics, Università di Bologna ; no 816
    Umfang: 1 Online-Ressource (circa 30 Seiten), Illustrationen
  21. New evidence on the wage curve
    non-linearities, urban size, and spatial scale in Brazil
    Autor*in: Barufi, Ana Maria Bonomi; Haddad, Eduardo Amaral; Nijkamp, Peter
    Erschienen: [2016]
    Verlag:  FEA/USP, São Paulo

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    Schriftenreihe: Working paper series / Department of Economics-FEA/USP ; no 2016, 39
    Schlagworte: Lohnkurve; Regionaler Arbeitsmarkt; Informelle Wirtschaft; Ballungsraum; Brasilien
    Umfang: 1 Online-Ressource (circa 22 Seiten), Illustrationen
  22. Homeownership, unemployment and commuting distances
    Autor*in: Kantor, Yuval; Nijkamp, Peter; Rouwendal, Jan
    Erschienen: [2010]
    Verlag:  European Regional Science Association, [Louvain-la-Neuve]

    According to Oswald's hypothesis homeowners experience more problems in finding a new job after becoming unemployed because their moving costs are higher than those of renters. Empirical research has revealed that this effect is counteracted by the... mehr

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    According to Oswald's hypothesis homeowners experience more problems in finding a new job after becoming unemployed because their moving costs are higher than those of renters. Empirical research has revealed that this effect is counteracted by the job search behavior of unemployed homeowners: they accept a job on the local labor market, that is, a job that does not force them to move to a different residential location, more frequently than unemployed renters. One possible explanation of this result is that the local labor market is larger for homeowners than for renters, in the sense that they are willing to accept longer commutes. This suggests that the longer commutes of homeowners (a well known empirical fact) are partly caused by higher moving costs. In this paper we analyze the validity of this explanation by investigating the relationship between homeownership and commutes while controlling for other variables, and possible effects of selection and heterogeneity.

     
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    Sprache: Englisch
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    hdl: 10419/119278
    Auflage/Ausgabe: Preliminary and incomplete
    Schriftenreihe: Sustainable regional growth and development in the creative knowledge economy : 50th ERSA Congress : 19 - 23 August 2010, Jönköping, Sweden / European Regional Science Association
    Umfang: 1 Online-Ressource (circa 25 Seiten), Illustrationen
  23. A target-oriented data envelopment analysis for energy-environment efficiency improvement in Japan
    Autor*in: Suzuki, Soushi; Nijkamp, Peter; Rietveld, Piet
    Erschienen: [2013]
    Verlag:  European Regional Science Association, [Louvain-la-Neuve]

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    Sprache: Englisch
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    hdl: 10419/123951
    Schriftenreihe: Regional integration : Europe, the Mediterranean and the world economy : 53rd ERSA Congress : 27-31 August 2013, Palermo, Italy
    Umfang: 1 Online-Ressource (circa 19 Seiten), Illustrationen
  24. Commuters' effect on local labour markets
    a German case study
    Autor*in: Russo, Giovanni; Tedeschi, Federico; Reggiani, Aura; Nijkamp, Peter
    Erschienen: [2010]
    Verlag:  European Regional Science Association, [Louvain-la-Neuve]

    This paper offers an exploratory investigation of the effects of inbound commuter flows on employment in regional labour markets in Germany. For this purpose, we distinguish three channels that could transmit the effects concerned: a crowding-out... mehr

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    This paper offers an exploratory investigation of the effects of inbound commuter flows on employment in regional labour markets in Germany. For this purpose, we distinguish three channels that could transmit the effects concerned: a crowding-out mechanism, and two labour demand effects (the first is an aggregate demand effect, while the second is a positive externality on vacancy creation). To this end, we develop a stepwise commuting impact model. Our results bring to light that, on the whole, commuter flows have a positive and robust effect on both employment and the number of jobs in the receiving labour market districts, but a distinctly negative effect on the share of jobs filled by resident workers. We then interpret the implications of our results, and, finally, we suggest ways in which the analysis could be improved and expanded.

     
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    hdl: 10419/119187
    Schriftenreihe: Sustainable regional growth and development in the creative knowledge economy : 50th ERSA Congress : 19 - 23 August 2010, Jönköping, Sweden / European Regional Science Association
    Umfang: 1 Online-Ressource (circa 25 Seiten)
  25. Impacts on environmental law and regulations on agricultural land-use change and urban pressure
    the Algarve case
    Autor*in: Vaz, Eric de Noronha; Brito, Antonio; Nijkamp, Peter; Painho, Marco
    Erschienen: [2010]
    Verlag:  European Regional Science Association, [Louvain-la-Neuve]

    Land-use change has been an increasing concern in most of Europe. While stakeholder's strategies of coping with land-use change have been constrained mainly due to socio-economic pressures, the natural landscape and fragile ecosystems are neglected... mehr

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    Land-use change has been an increasing concern in most of Europe. While stakeholder's strategies of coping with land-use change have been constrained mainly due to socio-economic pressures, the natural landscape and fragile ecosystems are neglected by heavy construction and urbanization. However, over the last thirty years regulations have become more explicit regarding environmental impacts at regional level. Spatial assessment of ongoing policies of rural and urban have led in the case of Portugal to some reservations on the consequences of sustainable development and juridical commitment. A good example of this is the agricultural land loss that Portugal has witnessed over the last thirty years, in large part resulting from socio-economic pressures with which policymakers have not been able to cope. The Reserva Agrícola Nacional (RAN transl. National Agricultural Reserve) may be identified as an instrument of planning purposes that identifies and protects the areas prone to agricultural activities due to their morphological, climatic and social context. The RAN has changed its legal status over four times in the last twenty years. These changes have in large been influenced by the policies of sustainable development for the region. However, the ability to defend the interests of agricultural and rural commitments in fragile ecosystems has been largely compromised due to socio-economic interactions brought by pressures of economic growth. Dynamic and statistical modeling approaches may allow a sharper understanding of the consequences of preemption of agricultural land in the Algarve. The spatial properties of data inventories from the RAN and land-covers, allow to assess the changes within the policy context of the Algarve. By approaching a spatial analysis of preemption of agricultural land with overlay of population and urban data, a focus o the consequences of the certain regulations with the dynamics of land-use change become possible. While this paper expands further on the actual existing decrees which offer support to sustainable development in the region, a qualitative assessment of future roles of ethical values and economic efficiency, while offering a constructive position for policy makers regarding the trends of urban / agricultural dichotomy are analyzed.

     
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    hdl: 10419/118955
    Schriftenreihe: Sustainable regional growth and development in the creative knowledge economy : 50th ERSA Congress : 19 - 23 August 2010, Jönköping, Sweden / European Regional Science Association
    Umfang: 1 Online-Ressource (circa 21 Seiten), Illustrationen