The 7 references without contexts in paper Christopher F Baum, Mustafa Caglayan, Oleksandr Talavera (2012) “R&D Expenditures and Geographical Sales Diversification” / RePEc:boc:bocoec:794

19
North-South trade’,American Economic Review76(1), 177–90.
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29
Hall, Bronwyn H. (2002), ‘The financing of research and development’,Oxford Review of
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30
Economic Policy18(1), 35–51.
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31
Hall, Bronwyn H. & Lerner, Josh (2009), The financing of R&D and innovation, NBER
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32
Working Papers 15325, National Bureau of Economic Research, Inc.
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43
Roper, S., Love, J. H. & H ́ıgon, D. A. (2006), ‘The determinants of export performance: Evidence for manufacturing plants in Ireland and Northern Ireland’,Scottish Journal of
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44
Political Economy53(5), 586–615.
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