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4
An Econometric Model of International Long-run Growth Dynam..
NBER working paper series, no. w26593
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5
Identification and Estimation of Dynamic Causal Effects in ..
NBER working paper series, no. w24216
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13
Heteroskedasticity-Robust Standard Errors for Fixed Effects..
NBER technical working paper series, no. t0323
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15
Understanding Changes in International Business Cycle Dynam..
NBER working paper series, no. w9859