At the highest levels, of course, economists communicate in mathematics, not English. This “proves” that they are scientific.
To make the mathematics work they have to invent all sorts of assumptions like economies that are in equilibrium, markets that have perfect competition, and exchanges with zero transaction costs. None of these things exist in the real world, and most economic theories collapse into a heap when you take these assumptions away, but economists are hard to discourage.
They proudly conjure up functions like “aggregate demand,” which is commonly defined as “the amount of goods and services in the economy that will be purchased at all possible price levels if inventory levels were static.” Then they go on TV insisting that we don’t have enough of it to juice up the GDP and lower the unemployment rate, so we need to print up another trillion, and make sure to pass some to the unemployed so they don’t become discouraged.
It’s hard not to get discouraged yourself, especially when common sense becomes so uncommon that entire democracies vote themselves into economic suicide pacts. But have no fear, you can always call on an economist to explain it all.
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