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  • 1
    Electronic Resource
    Electronic Resource
    Boston, USA and Oxford, UK : Blackwell Publishing Ltd
    Growth and change 33 (2002), S. 0 
    ISSN: 1468-2257
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geography , Economics
    Notes: This paper examines the evolution of patent activities across U.S. states from 1963 to 1997. Several patterns are uncovered. First, there is invention catch-up by some lagging states. Second, the evidence is consistent with knowledge diffusion. Third, leading states unable to reinvent themselves lose their leads. Fourth, catch-up can be across a diverse field of activities or focused on select activities. State patent growth is positively correlated to industry R&D and a variable capturing labor skill and infrastructure quality. These provide rationale for state policy makers to increase support to programs that enhance labor skill (e.g., education) and infrastructure quality.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Boston, USA and Oxford, UK : Blackwell Publishing Ltd
    Growth and change 33 (2002), S. 0 
    ISSN: 1468-2257
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geography , Economics
    Notes: Economic impact studies overestimate the direct impact of an airport on travelers' expenditures. This occurs for two reasons. First, impact studies assume that the number of visitors traveling to the local area via the airport would fall to zero in the absence of the airport. Second, impact studies implicitly assume that local residents would continue to travel outside the local area in the same numbers as when the local airport is available. In other words, it is assumed that the demand for travel into the local area by visitors is perfectly elastic with respect to the time and money costs of travel, while the demand for travel by local residents is perfectly inelastic with respect to these variables. This paper develops a methodology that avoids both of these sources of error by explicitly incorporating air travel demand into the analysis. The methodology is applied to Tampa International Airport for the year 1996. It is shown that using the standard methodology would have resulted in an estimate of direct impacts sixteen times the size of the estimate made by using the methodology of this paper.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Boston, USA and Oxford, UK : Blackwell Publishing Ltd
    Growth and change 33 (2002), S. 0 
    ISSN: 1468-2257
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geography , Economics
    Notes: Book reviewed:Sumila Gulyani, Innovating with Infrastructure: The Automobile industry in India
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  • 4
    Electronic Resource
    Electronic Resource
    Boston, USA and Oxford, UK : Blackwell Publishing Ltd
    Growth and change 33 (2002), S. 0 
    ISSN: 1468-2257
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geography , Economics
    Notes: Despite the prevalence of multiple jobholding, there is relatively little research into its causes. Existing research has tested the predictions of standard labor models with micro data. Yet, there has been virtually no research into the relationship between moonlighting and structural differences in regional labor markets such as wages and employment growth. In this manner, this study examines the large differences in multiple jobholding rates across U.S. states. The findings indicate that multiple jobholding acts as a short-term shock absorber to cyclical changes. However, in the long-term, these effects dissipate, indicating that moonlighting plays a similar role as do changes in unemployment and labor-force participation to regional labor market shocks. Conversely, multiple jobholding rates are inversely related to average weekly earnings. Thus, job growth accompanied by real wage (and productivity) growth may result in a decline in multiple jobholding, further exacerbating potential labor shortages. Other key factors found to influence multiple jobholding include occupational structure and education.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Boston, USA and Oxford, UK : Blackwell Publishing Ltd
    Growth and change 33 (2002), S. 0 
    ISSN: 1468-2257
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geography , Economics
    Notes: Many researchers and practitioners agree that evaluation of economic development planning programs is important, although the perspectives on the approaches, methods, and use of results vary widely. Confounding the issue are cases in which development programs have a small number of participants and typical measures such as parametric statistics are not valid. The alternate evaluation technique presented here uses a non-parametric approach, incorporating a control group for comparison purposes. The paper begins with a review of evaluation issues for economic development planning programs, followed by an illustration of the approach suitable for programs with small numbers of participants. It utilizes a case study of a publicly-funded small business incubator program, the Advanced Technology Development Center, located in Atlanta, Georgia. By explaining how the analysis is constructed and the results interpreted, the paper illustrates a potentially useful methodological approach to evaluating community economic development programs.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Boston, USA and Oxford, UK : Blackwell Publishing Ltd
    Growth and change 33 (2002), S. 0 
    ISSN: 1468-2257
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geography , Economics
    Notes: This paper considers the case of Bangkok where, as in many Asian cities, the expansion of urban areas has outpaced the ability of public entities to manage and provide basic services. One potential way to improve the capacity of neighborhoods to assist in provision or improvement in environmental services is to enhance the positive contributions provided by local social networks and social capital. A conceptual framework is presented to explore the role of social networks in environmental management in polluted urban environments. This is followed by a brief description of the methodology and survey instrument used to collect information from a sample of community households in Bangkok and an analysis of the results from this survey regarding environmental practices, community action, and social networks. Some of the results suggest that increasing the number of social interactions that residents of a community experience is associated with increased community participation as, apparently, is increasing knowledge about what happens to waste or waste water after it leaves the community. Local public education efforts that focus on useful knowledge about environmental impacts may well be an effective way to encourage community participation.
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  • 7
    Electronic Resource
    Electronic Resource
    Boston, USA and Oxford, UK : Blackwell Publishing Ltd
    Growth and change 33 (2002), S. 0 
    ISSN: 1468-2257
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geography , Economics
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Ground water 40 (2002), S. 0 
    ISSN: 1745-6584
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Ground water 40 (2002), S. 0 
    ISSN: 1745-6584
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
    Notes: Two of the biggest drawbacks of using permeable reactive barriers (PRBs) to treat contaminated ground water are the high capital cost of installation, particularly when the contaminated ground water is deep below ground surface, and the uncertainty of whether or not PRBs remain effective for the long time scales (e.g., decades) needed for many contaminant plumes. The use of an injection-extraction treatment well pair (IETWP) for capture and treatment of contaminated ground water can circumvent these difficulties, while still providing many of the same advantages offered by PRBs. In this paper, the hydraulics of IETWPs and PRBs are compared, focusing primarily on the width of the captured plume. It is demonstrated that IETWPs act as hydraulic barriers in a manner similar to PRBs, and that IETWPs provide excellent plume capture. A mathematical expression is presented for the plume capture width of an IETWP oriented perpendicular to the ground water flow direction in a homogeneous aquifer. Also discussed are other practical considerations that might determine whether an IETWP is better suited than a PRB for a particular contaminated site; these considerations include operating and maintenance costs, and the conditions under which an IETWP system can be used for in situ remediation.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Ground water 40 (2002), S. 0 
    ISSN: 1745-6584
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
    Notes: Two environmental tracer methods are applied to the Ti-Tree Basin in central Australia to shed light on the importance of recharge from floodouts of ephemeral rivers in this arid environment. Ground water carbon-14 concentrations from boreholes are used to estimate the average recharge rate over the interval between where the ground water sample first entered the saturated zone and the bore. Environmental chloride concentrations in ground water samples provide estimates of the recharge rate at the exact point in the landscape where the sample entered the saturated zone. The results of the two tracer approaches indicate that recharge rates around one of the rivers and an extensive flood-plain are generally higher than rates of diffuse recharge that occurs in areas of lower topographic relief. Ground water 2H/1H and 18O/16O compositions are all depleted in the heavier isotopes (δ2H = -67%0 to -50%0; 518O = -9.2%0 to -5.7%0) compared with the long-term, amount-weighted mean isotopic composition of rainfall in the area (δ2H = -33.8%0; δ18O = -6.3%0). This indicates that recharge throughout the basin occurs only after intense rainfall events of at least 150 to 200 mm/month. Finally, a recharge map is developed to highlight the spatial extent of the two recharge mechanisms. Floodout recharge to the freshest ground water (TDS 〈1000 mg/L) is ∼1.9 mm/year compared with a mean recharge rate of ∼0.2 mm/year to the remainder of the basin. These findings have important implications for management of the ground water resource.
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