As Lockie and Kitto (2000: 5) note, this important dimension is recognized by the SOP approach but they argue that it is “poorly developed in both theorisation and operationalisation.” Furthermore, production activities are privileged in SOP analysis as “determinants of consumption practices” and the “role of agency is marginalised” by giving primacy to structural tendencies in the shaping of SOPs (ibid.: 5).
Source: wiktionary