We examine the two-level and the three-level nested four factor Constant Elasticity of Substitution production functions, where labor is disaggregated into skilled and unskilled labor and the capital stock into structures and equipment capital. We estimate inter-factor substitution elasticity...

There is a wide literature about business incubators (BIs), especially about successful cases in high tech and knowledge intensive industries. Despite that, there is neither a viable integrative theory of effective business incubation nor clear guidelines about the preconditions for establishing...