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US unionism and R&D investment : evidence from a simple cross-country test
Addison, John T., (1994)
International R&D rivalry and export market shares of unionized industries : some evidence from the US manufacturing sector
Nair-Reichert, Usha, (1999)
R&D or R vs. D? : firm innovation strategy and equity ownership
Driver, James, (2020)
Innovative activity, productivity growth, and firm performance : are labor unions a spur or a deterrent?
Hirsch, Barry T., (1990)
[Rezension von: New approaches to labor unions, ed. by Joseph D. Reid, Jr]
Hirsch, Barry T., (1985)
Union coverage and profitability among US firms
Hirsch, Barry T., (1991)