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A comparison of approaches towards measuring technical change: the case of Swedish newsprint production. 智库出版物
2005
作者:  Lundmark R
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Technical change  Variable translog cost function  Tornqvist index  Time trend  General index  Sweden  Newsprint production  
The early detection of sulphur emissions reductions using Wet Deposition Measurements. 智库出版物
1986
作者:  Munn RE;  Whelpdale DM;  Oehlert G;  Summers PW
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trend detection  statistical techniques  emission reductions  time series  emission trends  sulphur concentration/deposition time series  indicators of change