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The effects on firm profits of the stock of intellectual property rights
Griffiths, William E.; Jensen, Paul H.; Webster, Elizabeth - 2005
Persistent link: https://www.econbiz.de/10002825947
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The determinants of research and development and intellectual property usage among Australian companies, 1989 to 2002
Griffiths, William E.; Webster, Elizabeth - 2004
Persistent link: https://www.econbiz.de/10002257115
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What governs firm-level R&D : internal or exernal factors?
Griffiths, William E.; Webster, Elizabeth - 2009
Persistent link: https://www.econbiz.de/10003843974
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GENERALIZED LEAST SQUARES WITH AN ESTIMATED COVARIANCE MATRIX -- A SAMPLING EXPERIMENT
Griffiths, William E. - Department of Applied Economics, College of … - 1971
Persistent link: https://www.econbiz.de/10005500699
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MULTICOLLINEARITY IN REGRESSION WITH QUADRATIC REGRESSORS
Griffiths, William E. - Department of Applied Economics, College of … - 1971
Persistent link: https://www.econbiz.de/10005338640
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ESTIMATION OF ACTUAL RESPONSE COEFFICIENTS IN THE HILDRETH-HOUCK RANDOM COEFFICIENT MODEL
Griffiths, William E. - Department of Applied Economics, College of … - 1971
Persistent link: https://www.econbiz.de/10005536354