onRevolutions of 1848Socialist calculation debateSocialist economicsIdeasCalculation in kindCollective ownershipCooperativeCommon ownershipCritique of political economyEconomic democracyEconomic planningEqual libertyEqual opportunityFree associationFreed marketIndustrial democracyInput–output modelInternationalismLabor-time calculationLabour voucherMaterial balance planningPeer‑to‑peer economicsProduction for useSharing economySpontaneismSocial dividendSocial ownershipSocialism in one countrySocialist mode of productionSoviet democracyStrike actionTo each according to his contribution/needsVanguardismWorkers' self-managementWorkplace democracyModelsSocialist planned economyDecentralized planningInclusive DemocracyOGASProject CybersynSoviet-typeMarket socialismLange modelMutualismSocialist market economySocialist-oriented marketCommunal socialismParticipatory economicsVariants21st-centuryAfricanArabAgrarianAnarchismAuthoritarian