Grochowski, Mateusz MPI for Comparative and International Private Law, Max Planck Society;
https://www.academia.edu/36528676/Spontaneous_Order_in_the_Sharing_Economy_A_Research_Agenda (Any fulltext)
Grochowski, M. (2018). Spontaneous Order in the Sharing Economy? A Research Agenda. Studia Prawa Prywatnego, (2), 75-85.