“…Following previous reviews (e.g., Tranfield et al, 2003;Pugliese, Bezemer, Zattoni, Huse, Van der Bosch, & Volberda, 2009;Cuomo, Mallin, & Zattoni, 2016), we performed content analysis with criteria for codifying in two stages: (1) author/year; type of material -article, book, book chapter; methodology; country; concepts mentioned in connection to our topic; topic; and (2) for the concepts themselves, we identified additionally the number and percentage spread among the sources. The procedure we followed consisted of preliminary stage, in which two coders initially developed and tested the coding scheme on a sample of six articles.…”