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Danish consumers’ attitude towards future wind power development schemes FAME: Workshop on New Development in Rights-based Fisheries Management: Community Fishing Rights Jacob Ladenburg FAME and Food & Resource Economics Institute, The Royal Veterinary and Agricultural University, Copenhagen
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Wind Power Development in Denmark (I) Ratification of the Kyoto Protocol (UNFCCC, 1997) Wind power is an important component in the Danish CO 2 reduction strategy (Ministry of Finance, 2003)
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Wind Power Development in Denmark (II) High density of land based wind turbines Future development: –replacing existing land wind turbines with fewer but larger turbines –increase the off-shore capacity (DMEBA, 2004).
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Benefits and Impacts (I) Wind energy is a clean technology with regards to the emission of CO 2, SO x, NO x (EWEA, 2002) But.. –Visual impacts –Noise impacts –Other impacts on the environment So what is the Danish consumers’ attitude towards increasing the wind power capacity?
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The study on attitude towards increase land based and off-shore wind power capacity Questionnaires mailed to respondents in three samples: –National Sample 700 respondents. –Local samples Nysted and Horns Reef, 350 respondents each. Response rate approximately 45 %. (Ladenburg et al. 2005)
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Probit model for a positive or neutral attitude (I) Attitude towards benefits and negative impacts are assumed to be individual determined (Schlesisner & Nielsen, 1997, Berry et al. 1998, Manwell, 2002) Attitude= f(x i ) Where x i is characterised by: –Socio-economic variables (gender, age, income, education etc) –Geographical variables (zipcode, region, size of the city, living close to a wind turbine etc.) –Energy and wind power related variables (attitude to global warming, externalities of wind turbines, attitude to nuclear power etc.)
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Probit model for a positive or neutral attitude (II) Let y i * denote the individual latent variable, x i is the characteristics of individual i and ε i is the individual specific error term, standard normal distributed The latent value y i * is mapped => y i by assuming that: y i =1 if y i * ≥0 y i =0 if yi * <0
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Attitude towards more land based turbines (I)
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Attitude towards more land based turbines (II) Variables Model IModel II Age50+ -0,6521(0,001)-0.6514(0.008) Gender_Age50+ 0,4431(0,068)0.2814(0.335) Age- Missing -0,7155(0,055)-0.7990(0.098) Cities>60.000_J 0,7999(0,035)0.9229(0.051) Larger_Cities_Z 0,5759(0,003)0.5186(0.029) Constant 0,8827(>0,0001)6.6517(>0.0001) Visual impacts on land -4.6037(>0.0001)
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Attitude towards more off-shore wind farms (I)
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Attitude towards more off-shore wind farms (II) VariablesModel IModel II Age55+ -0,4815(0,037)-0.9131(0.030) Age_missing -0,6971(0,121)-0.6048(0.547) M.Out_Org -0,5054(0,108)-0.5503(0.403) Constant 1,8343(0,000)10.9636(>0.0001) Visual impacts on the landscape -1.3074(>0.0001) Impacts on birds and life in the sea -1.6643(>0.002)
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Attitude towards more off-shore wind farms (III) VariablesModel IModel II Age>39-0,7308(0,098)-0.3626(0.631) Age>39_View_offs.-0,5624(0,059)-0.7145(0.204) Coast_Zip_Horns Reef-1,4713(0,017)-1.7022(0.322) Horns Reef_Prof_Fisher-1,6187(0,044)-2.2881(0.026) Nysted-sample-0,6215(0,059)-0.2144(0.752) Constant2,7802(>0,0001)10.3525(>0.0001) Visual impact on the landscape-1.8405(>0.0001) Impact on birds and life in the sea-0.0878(0.0120)
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Discussion Age relations –Age or generation dependent Free choice vs. economic trade-offs –What if cost increases ? –What if the impacts can be reduced ? Moving wind farms to larger distances from the coast Replacing the number of turbines on land with less but smaller one
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Conclusion General support of the increasing wind power capacity both on land and off-shore But information is needed on: –trade-offs between cost and location –cost and the reduction of the impacts associated with wind power generation
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