303meant a general deregulation and opening up. The explanations of the two successful cases build on data previously collected as part of a large collaborative project that has been digitized and structured in a relational database. The failed example of the planning and housing market builds on data from all the planning and building legal documents from 1874 to 2020. This data is to be used in a future dissertation (Eriksson, 2022).

2.1

The Case of Televerket Versus Comvik

In the 1980s, several enabling conditions for the deregulation of numerous sectors— including telecommunications and finance—were present (Eriksson et al., 2019; Geissinger et al., 2019). Formerly state-supported monopoly markets or otherwise highly regulated markets now began to legally open up for competition. New