High Quality Content by WIKIPEDIA articles! Youth Residential Complexes (Russian: молодёжный жилой комплекс, МЖК, MZhK) were housing projects intended for young families and constructed by their future tenants themselves, subsidized by industrial enterprises. This approach existed since 1971 and it was a mass movement until the dissolution of the Soviet Union. It was an attempt to alleviate the residential construction crisis in the late Soviet Union. Construction of Youth Residential Complexes continued in modern Russia, although based on a different business model, based on market economy.