However, Mises argued that monopolies and cartels operated because of state intervention and protectionism and claimed that the only legitimate role for the state was to abolish barriers to market entry.
Mises seevastu väitis, et monopolid ja kartellid tulenesid riigi sekkumisest ja protektsionismist, ja et riigi ainus legitiimne roll seisneb turule sisenemise tõkete kaotamises.