... drawn to the law’s relevance and influence both upon tool-mechanics and tool-choice. The concluding discussion draws together the threads of thisdiscussion, seeking to illuminate the breadth and ... taxation,borrowing, and purchase. The public today tolerates high levels of taxation and government spending; the level of total public expenditure in 1991À2 was3.2 Understanding regulatory instruments 81standard. ... such costs may be hard to control and to measure in advance, for reasonswe consider later. Imperium, by contrast, seems to come cheap. While enforcementcosts need to be reckoned with, costs...