Explanation:

Market Socialism is an economic system in which the means of production are owned either by the state or by the workers in each company (meaning in general that "profits" in each company are distributed between them: profit sharing) and the production is not centrally planned but mediated through the market.

Its central idea is that the market is not a mechanism exclusive to capitalism and that it is fully compatible with collective worker ownership over the means of production — which is one of the fundamental principles of socialism. Proponents of market socialism argue that it combines the advantages of a market economy with those  of socialist economics. The theory is fundamentally contradictory to orthodox Marxism.