“…The definition of wages has to be all-embracing to prevent circumvention using special bonuses, pension fund payments, contribution to vacation funds, rent payments, free meals, transport costs, and so on, as observed in Russia. As noted by Dildine and Sunley (1978), "( experience with wage measurement problems of the income tax suggests that I/ This extremely controversial tax applied to wages and profits, was suspended in September of the year it was introduced, forgiven for the first two quarterly payments, reintroduced in 1976 but not applied, introduced again in 1977, and again not applied, and finally, like the Cheshire cats' grin, faded from view forever; see de Wulf (1986) and Chand (1981Chand ( , 1986 for descriptions. This emphasizes the difficulty, experienced in most countries reviewed in this paper, of administering this tax in the face of intransigent non-compliance.…”