Methodology usually irritates economists. They prefer to get on with the job and do structural economics. The term always means general equilibrium. The story is told of consumers and producers making choices about consumption, work, investment, and so on. The grand finale is clearing of all markets. The plot is essentially devoid of money and banking. The language, though, is flexible enough to incorporate these elements and post-financial crisis, the best minds have been hard at work stretching the script in order to do so.We, on the other hand, hark back to another approach to structure that regards the economy as a whole as a set of interrelated real and monetary circuits. The principles at work are both logical (balance-sheet accounting) and historical (the economy in thrall to the rhythms of the cycle) and empirical (connections with national income statistics). We deal with identities. Consequently, they are incontrovertible. The relationships are connected by so-called stock-flow norms. These numbers can vary over time and space. Their uses are varied and will include ranges that they must fall within to ensure the stability of certain difference equation representations of our economies. In contrast, the community is used to norms imported or imposed from Basel or the IMF. Despite the popular connotations of the term 'accounting', the approach is fecund for proposing novel institutional practices to be transplanted into modern economies for welfare-maximizing...