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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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We wish to stress three important caveats. First, our iden-
tification strategy only allows us to speak to the effects of early
childhood exposure. The effects of viewing by school-age children
are also clearly important for policy, and our results do not directly
inform that debate. Second, we can only identify long-run effects.
Although concern about the cognitive effects of early-childhood
viewing has been largely motivated by the possibility of harm
to long-run development, there are other potential effects of
television—on violence or obesity, for example—for which con-
temporaneous effects may be more relevant. ...
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Analysis of interference to cable television due to mobile usage in the Digital Dividend
