“…Activity based studies often do not apply the insurance criteria but base their distinction between hidden and visible costs on whether management has ready access to these costs from the accounting systems of the company (see e.g. Aaltonen 1998, Aaltonen and Miettinen 1997, Hinze 1991, Lanoi and Trottier 1998, Naquin 1975, Neville 1998, Rikhardsson et al 2002.…”