ev gen i ▁Pre ob raz hens ky . ▁In ▁his ▁book ▁The ▁New ▁Econom ics ▁( 1 9 2 6 , ▁published ▁in ▁English ▁in ▁ 1 9 6 5 ), ▁Pre ob raz hens ky ▁tried ▁to ▁specify ▁clearly ▁what ▁the ▁law ▁of ▁value ▁should ▁be ▁understood ▁to ▁mean , ▁for ▁the ▁purpose ▁of ▁economic ▁policy . ▁His ▁main ▁th esis ▁was ▁as ▁such : ▁ ▁This ▁influ ential ▁analysis ▁equ ated ▁the ▁law ▁of ▁value ▁with ▁market ▁economy , ▁and ▁counter posed ▁it ▁to ▁state - organ ized ▁economy . ▁There ▁was , ▁in ▁other ▁words , ▁a ▁struct ural ▁conflict ▁between ▁the ▁market ▁principle ▁and ▁the ▁collect ive ▁planning ▁principle . ▁Pre ob raz hens ky ▁then ▁aim ed ▁to ▁show ▁how ▁state - organ ized ▁economy ▁could ▁prev ail ▁over ▁market ▁forces ▁in ▁such ▁a ▁way , ▁that ▁the ▁economic ▁growth ▁path ▁would ▁be ▁optimal . ▁His ▁basic ▁idea ▁was ▁that ▁a ▁tax ▁on ▁the ▁millions ▁of ▁far mers ▁in ▁the ▁Russian ▁emp ire ▁could ▁fin ance ▁urban ▁industrial ization . ▁Pre ob raz hens ky ' s ▁approach ▁to ▁the ▁law ▁of ▁value ▁became ▁the ▁common ▁assumption ▁of ▁left - wing ▁Marx ists ▁discuss ing ▁the ▁transition ▁to ▁social ism , ▁until ▁the ▁the or ists ▁of ▁market ▁social ism ▁began ▁to ▁challenge ▁it ▁and ▁gained ▁more ▁intellectual ▁influence . ▁According ▁to ▁Fred ▁L . ▁Block , ▁now ad ays ▁" Cont empor ary ▁scholar ship ▁reject s ▁the ▁assumption ... that ▁state ▁and ▁market ▁are ▁distinct