13. In the years since World War II, the increase in levels of wages, real though they have been (though declining since the 1970s, as noted earlier), have been accompanied by additional forms of “exploitation”: in the marketplace, through monopolistic pricing, and through the State and an incidence of taxation that has a good four-fifths of the population – the bottom four-fifths – paying more than their proportionate share of taxes, while the top fifth, and especially its top half, benefits also in receiving a disproportionate share of the benefits of State expenditures.