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1
Why are American Workers getting Poorer? China, Trade and O..
NBER working paper series, no. w21027
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2
The Impact of Short Term Exposure to Ambient Air Pollution ..
NBER working paper series, no. w20648
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3
The Long Run Human Capital and Economic Consequences of Hig..
NBER working paper series, no. w20647
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7
Estimating the Impact of Trade and Offshoring on American W..
NBER working paper series, no. w15107