The welfare state was created after 1950 with counterproductive mechanisms and this caused high inflation and high unemployment and stagnating growth by 1970, called stagflation. Since 1970 governments redressed the welfare state but did not succeed in finding workable mechanisms. They rather...

(1) The basic problem in OECD countries is the tax void. (2) A tax system with an exemption is more transparant than a system with a tax credit. (3) Exemption should be at the level of the net minimum wage so that such workers can work at net = gross. (4) A tax credit is a sufficient but not a...

Basic causality is that a cause is present or absent and that the effect follows with a success or not. This happy state of affairs becomes opaque when there is a third variable that can be present or absent and that might be a seeming cause. The 2 x 2 x 2 layout deserves the standard name of...