Semi-mixed Effects Gravity Models for Bilateral Trade 6.39
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Empirical Economics, vol. 48, 2015, p. 361-387.

FDI Spillovers at Regional Level: Evidence from Portugal 7.04
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Papers In Regional Science, vol. 88, 2009, p. 591-607.

Trade in the enlarged European Union: a new approach on trade potential 1.28
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Portuguese Economic Journal, vol. 7, 2008, p. 205-224.