Zobrazeno 1 - 10
of 60
pro vyhledávání: '"Ian H. Langford"'
Publikováno v:
Environment and Development Economics. 8:373-390
A strategic issue facing many developing economies is the maintenance of natural resources, which are important in ecological terms as well as for providing income from tourism. This paper presents an analysis of the economic value of marine protecte
Autor:
Ian H. Langford, Rosemary J. Day, Ian J. Bateman, Stavros Georgiou, Mihalis S. Skourtos, Areti Kontogianni
Publikováno v:
Environment and Planning A: Economy and Space. 33:2219-2233
The contingent valuation method is often used for valuing environmental goods which have nonuse as well as direct-use values. However, it is often not clear how respondents to a contingent valuation survey allocate values when asked for willingness-t
Publikováno v:
Resource and Energy Economics. 23:191-213
Dichotomous choice contingent valuation questions are relatively inefficient in that large sample sizes are required for a given level of estimation precision. An increasingly common approach to this problem is to supplement the initial question with
Publikováno v:
Ecological Economics. 37:123-138
This study employs a mixed methodological approach, using questionnaire surveys of individuals and stakeholder focus groups to investigate economic values placed on a wetland surrounding Kalloni Bay on the island of Lesvos, Greece. The questionnaire
Autor:
Ian H. Langford, Graham Bentham
Publikováno v:
International Journal of Biometeorology. 45:22-26
The incidence of food poisoning in England and Wales has been increasing for many years and it is now a major public health problem. Superimposed on this general rising trend is a well-established tendency for the number of cases of food poisoning to
Autor:
Ian H. Langford, H. McLeod, J. R. Stedman, Andrew Jones, Rosie Day, Irene Lorenzoni, Ian J. Bateman
Publikováno v:
Regional Environmental Change. 1:78-85
This paper investigates the distribution of three common air pollutants, sulphur dioxide, nitrogen dioxide and fine particulates (PM10), in England and Wales with respect to social class, ethnicity and population density. A multilevel model is used t
Publikováno v:
Risk Decision and Policy. 5:49-68
Everyone likes clean seawater to bathe in and standards for acceptable seawater quality are set by the European Commission (CEC, 1976). In 1994, proposals to revise these standards were announced. These proposals were the subject of a House of Lords
Autor:
Anné-Lise McDonald, Ian H. Langford
Publikováno v:
Health & Social Care in the Community. 8:109-118
Within the rapidly changing climate of primary care, there is an increasing need to evaluate the reactions of patients to real and proposed changes in practice. There are a number of methodologies, both qualitative and quantitative which have been em
Publikováno v:
Journal of Environmental Planning and Management. 43:291-302
Recent debate following the rejection of the Environment Agency case regarding an application for water abstraction at Axford on the River Kennet has focused upon the benefits procedure employed for aggregating non-user benefits which underpinned the
Publikováno v:
Statistics in Medicine. 19:2469-2478
This paper describes how estimates made for event rates in small areas may be enhanced through spatial modelling of the data - taking the geographical location of each area into account - and through the addition of further information from each area