“…With it, from marketing theory, i. e., a functional approach, a theory of the firm has emerged that transcends the functional view on the firm in favor of a cross section analysis or view that relates to the entirety of the firm. The change in the structure of the economy, apart from a goods-centered economy towards a services economy, has pushed the development of services economics of which the RPO approach is a part (Haase et al 2008, Saab 2008 During the 1940's, sociology specified the organization as object of analysis (i. e., not he firm, not the party, not the union a. s. o.).…”