training for middle-level occupations. We begin by defining and describing middle-skills occupations, largely in terms of … complementarities. Third, we consider the evidence on the costs and effectiveness of apprenticeship training in several countries. The … final section highlights empirical and policy research results concerning the advantages of apprenticeship training for …

skilled migration on innovation activities in developing countries. We argue that knowledge acquired by emigrants abroad can … by increasing the size of the innovation sector, thereby allowing diaspora gains to fall on a larger range of workers …

objective identification of his greatest innovation. This facilitates another key element of the research, the categorization of … contribution incrementally from observation, or deductively, creating his innovation as a consequence of a new idea. These patterns …