@mirlo For me it's the books which explain the relationship between copyright cartels and financialisation.
Boldrin/Levine, "Against Intellectual Monopoly"
https://openlibrary.org/works/OL5812186W/Against_Intellectual_Monopoly
Lessig, "Free Culture"
https://en.wikipedia.org/wiki/Free_Culture_(book)
Goldstein, "Copyright's highway"
https://openlibrary.org/works/OL807949W/Copyright%27s_highway?edition=key%3A/books/OL3673889M