00527naa#a2200157#i#4500001001500000005001700015011001400032100004100046102000700087200012000094210005800214215001100272608002700283700003300310856002600343EN\\bibl\9308920250105015123.7##a2221-3260##a20241229b2024####ek#y0engy0150####ca##aRU1#aDemand, law of demand, Giffen and Veblen effects. Part 2. Non-functional demand and demand puzzleseJournal article1#aYaroslavlcYaroslavl State Technical Universityd2024##a21 с.##aJournal article2local#1aTsurikovgVladimir Ivanovich4#atheoreticaleconomy.ru