Jewish law from oldest times interpreted Exodus 21 : 24-25 as requiring a criminal to pay his victim the monetary equivalent of the blinded eye or broken tooth . ( One concern expressed by the rabbis was that putting out a convict's eye could have unintended, perhaps fatal, side effects _ thereby increasing his sentence unjustly.
12.
Empirically, one can only get as far as establishing a " grand average " for the price of an hour of work ( this is often referred to in Marxian economics as the " monetary equivalent of labour time ", or MELT ) and one can discuss the extent to which labour is undervalued or overvalued in a " relative " ( comparative ) sense.