EU農村開発対策への合成差分二重法適用による、農村開発対策の疎で段階的な採用下での政策影響評価
1Department of Economics and Social Sciences, Università Politecnica delle Marche, Ancona, Italy.
Evaluation and program planning
|January 10, 2026
まとめ
農家
科学分野:
- 農業経済学
- 環境政策
- 公共政策分析
背景:
- EU共通農業政策(CAP)対策への農家の反応を検討すること。
- 個々の利益によって駆動される政策の任意採用が、社会的な利益をもたらすかどうかを評価すること。
- 段階的で疎な政策採用の方法論的な課題に対処すること。
研究 の 目的:
- ターゲットを絞ったEU共通農業政策(CAP)対策への農家の反応を調査すること。
- 個々の利益と社会的なアウトカムを区別すること。
- 社会的な目標達成における任意採用の有効性を評価すること。
主な方法:
- 個々の利益と社会的なアウトカムを区別するための理論的枠組みを開発しました。
- 合成差分二重法(SDID)アプローチを採用しました。
- 第二の柱であるCAP対策に焦点を当てたイタリアの農場のパネルデータ(2014-2022年)を利用しました。
主要な成果:
- 一部のCAP対策は、所得や生産性のような個々の農場のアウトカムを著しく改善しました。
- これらの対策が環境指標のような社会的アウトカムに与える影響は、一貫性がなく、弱いものでした。
- 限定的で多様な処置対象ユニットと段階的な採用における政策効果の推定における課題を強調しました。
結論:
- CAP対策の任意採用は、社会的な利益に関して混在した結果を示しています。
- 環境目標達成における政策の有効性は、さらなる調査が必要です。
- SDIDは段階的な採用を分析するための適切な方法ですが、実用的な限界が存在します。
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