Europeans use 'social models' to refer to the combination of welfare state, industrial relations, and educational institutions jointly structuring what we can think of as the supply-side of the labor market. The dominant view in controversy over the social models has been that in the name of equity they have impaired the labor market's efficiency, thereby causing unemployment. But doubt is cast on this supply-side-only diagnosis by powerful macroeconomic developments, from the Europe-wide recession following Germany's post-unification boom to the deepest economic crisis since the interwar...