A multiplier measures the magnified change in aggregate product i . e . the gross domestic product, resulting from a change in an autonomous variable ( for example, government expenditure, investment expenditures, etc . ).
2.
And thus, as it goes on and on, it results in a magnified, multiplied change in aggregate production initially triggered by a change in autonomous variable, but amplified by the creation of more income and increase in consumption.
3.
In Marx's more developed theory of the circulation of commodities, the values of products, their prices of production and their market prices are all semi-autonomous variables which can both diverge and converge, through constant market fluctuations, affecting the profitability of enterprises.
4.
Although Mandel's profit theory was enormously more complex than Grossman's profit theory, this complexity itself became problematic : there were so many interacting " semi-autonomous variables " in Mandel's theory, that observable empirical trends could be attributed to any number of interacting variables; this meant that no particular result " necessarily " followed from the theory, and that the explanans ( that which explains ) became confused with the explanandum ( that which has to be explained ).
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