1. The history of economic theory has dictated that microeconomics has its own macroeconomics.
It also wanted Keynesian macroeconomics to be erected into a corpus that was supposed to be largely self-sufficient, both for econometric (national accounts) and political (economic stimulus) purposes.
2. The reality established by the practice of economic exchanges and the transfer of terms of these exchanges determines the existence of scales of its observation and exploitation.
It is in fact to distinguish two of these scales that the notions of microeconomics and macroeconomics are now used spontaneously.
3. The investigations reported in this book use three scales.
In order not to cause confusion, neologisms are used to designate these scales: mesonomy for the average, macronomy for the largest, micronomy for the smallest.
4. Since the enterprise is the only institution that exists only for economic purposes, let us align the mesonomic scale with the enterprise.
The concepts of commercial general accounting are mesonomic. The enterprise as a legal entity and its capital are, among other things, mesonomic objects.
5. When economic analysis takes into account what is happening in a geographical area, it is macronomic.
While the rate of profit on capital of an enterpriseis a mesonomic quantity and controller, the average rate of profit on capital for all firms in a country is a macronomic magnitude and controller. The global stock of capital and that of jobs are also macronomic quantities and controllers. The phenomenon of the distribution of total income is macronomic.
6. Cost accounting concepts are micronomic.
Several of these concepts are defined and used in Chapter 11, on the prices at which firms sell. The problem of the fraction of common costs to be included in a full cost price is micronomic.
7. We will see that this problem is wrongly reputed to have no objective solution.
The scope of this micronomic solution, as we will also see, is mesonomic and macronomic. A homogeneous and complete theory of prices is made up of normative observations, some of which are macronomic, others mesonomic, and the last micronomic. The theory of economic exchange values accepted in Objective Political Economy must go as far as the calculation of the objective selling prices of industrial commodities (not scarce) marketed by enterprises. This is proof of its usefulness, its coherence and its completeness.