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Claudio Piga and Joanna Poyago-Theotoky (2005).
Endogenous R&D Spillovers and Locational Choice.
Regional Science and Urban Economics, Vol.35, No.2, pp.127-139.
Claudio Piga and Joanna Poyago-Theotoky (2005).
Regional Science and Urban Economics, Vol.35, No.2, pp.127-139.