Phân tích tư tưởng của nhân dân qua đoạn thơ: Những người vợ nhớ chồng… Những cuộc đời đã hóa sông núi ta trong Đất nước của Nguyễn Khoa Điềm
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Migration and Economic Development: The Case of the Mouride Brotherhood From Senegal to the Washington D.C. Metropolitan Area, 1990-2000 Effectiveness sorting should be observable as a magnification of the causal peereffect, as it creates a positive correlation between the peer group and an omitted variableschool effectivenessin regression models for student outcomes.9 This provides myidentification: I look for evidence that the apparent peer effect, the reduced-form gradientof school average test scores with respect to student characteristics, is larger in high-choicethan in low-choice markets....
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Research " Migration and Economic Development: The Case of the Mouride Brotherhood From Senegal to the Washington D.C. Metropolitan Area, 1990-2000 "
