Corporate R&D and Firm Efficiency: Evidence from Europe`s Top R&D Investors
Subal C. Kumbhakar,
Raquel Ortega-Argilés,
Lesley Potters,
Marco Vivarelli,
Peter Voigt
Journal Of Productivity Analysis,
vol. 37, 2012, p. 125-140.
Investigation of the Costly-Arbitrage Model of Price Formation around the Ex-dividend Day in Norway
Qinglei Dai,
Kristian Rydqvist
Journal Of Empirical Finance,
vol. 16, 2009, p. 582-596.