使い捨てレジ袋の有料化政策の評価

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タイトル別名
  • Evaluation of the Imposed Charge on Disposable Polyethylene Bags at Supermarkets
  • ツカイステ レジブクロ ノ ユウリョウカ セイサク ノ ヒョウカ

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説明

The citizens of Gotemba city were asked whether they approved or disapproved of introducing a monetary charge policy for supermarket bags. Results showed that 78.1% approved of the policy. More over when we asked what would happen if a 5 yen charge were introduced, 16.9% answered that they would bring their own shopping bags. In the case of a 10 yen charge, 44.2% would bring their own. In the follow-up investigation into actual conditions, we found that 73.2% did indeed bring their own bags at the 5 yen charge policy, and 91.8% brought bags at the 10 yen rate. These results provided an interesting comparison of investigation by the questionnaire by CVM and the actual conditions. The difference between these at the 5 yen rate was 56.3% and at the 10 yen was 47.6%. That is to say, there is a “Hypothetical Bias” and the difference between an open-ended question and a closed-ended question was mainly observed with the CVM questionnaire answer being 50-60% less than actually observed.

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