しゃかいてきひつようろうどうかん 社会的必要労働時間
1. socially necessary labour time
Wikipedia definition
2. Socially necessary labour timeSocially necessary labour time in Marx's critique of political economy is what regulates the exchange value of commodities in trade and consequently constrains producers in their attempt to economise on labour. It doesn't 'guide' them, as it can only be determined after the event and is thus inaccessible to forward planning.
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