Existing literature has shown that research-based spin-offs firms usually exhibit lower death risks than other start-ups. However, few studies have focused on the survival determinants of these particular firms. From a unique self-collected database of the population of research-based spin-offs...

This paper attempts to assess the variety and relevance of barriers to entry perceived by Portuguese firms. Based on a questionnaire, Portuguese firms' perceptions were surveyed using a sample of 168 firms. The results suggest that sunk costs, capital requirements, capital costs, and cost...