This paper provides evidence on the mechanisms influencing the patent output of a sample of biotechnology firms from the input of indirect knowledge acquired from capital expenditures and direct knowledge from in-house R&D. Statistical models of counts are used to analyse the relationship...

This paper investigates the determinants of innovative activities and the innovation-performance relationship for the firm population in Vietnam in three consecutive stages: decision - investment - outcome. Cragg's two-tiered dynamic type-2 Tobit model and instrumental variable GMM method are...