//-->
Restricted least squares subject to monotonicity and concavity constraints
Ruud, Paul Arthur, (1997)
Patent trolls : evidence from targeted firms
Cohen, Lauren, (2019)
Das Innovations- und Investitionsverhalten von Unternehmen : eine theoretische und empirische Untersuchung für die Bundesrepublik Deutschland
Schneeweis, Thomas, (2000)
Market share, market value and innovation in a panel of British manufacturing firms
Blundell, Richard W., (1995)
Knowledge stocks, persistent innovation and market dominance : evidence from a panel of British manufacturing firms
Blundell, Richard W., (1993)
Dynamic count data models of technological innovation
Blundell, Richard W., (1994)