English

How Interest Rates Redistribute Income

When I read about monetary policy, I have a rule of thumb. Every time I see the phrase interest rate, I replace it with the term wage rate. Then I ask myself whether the discussion still makes sense. Often, it does not. The reason I make this substitution is that in conceptual terms, the interest rate and the wage rate are similar: they are both rates of return. Wages are the return on employment. Interest rates are the return on credit. Now, the important thing about rates of return is that when we change them, we are toying with the distribution of income. Hike wages and we send more income to workers. Hike the rate of interest and we send more income to creditors. Sure, the specifics of this redistribution are open for inquiry. But by definition, rates of return are ‘distributional variables’ — they determine how the income pie gets divvied up. Back to my word substitution. When it comes to wages, the issue of distribution is typically front and center. That’s why talk of a minimum-wage hike prompts businesses (and many economists) to complain about reduced profits. But when creditors hike the rate of interest, talk of income distribution is curiously absent. Instead, we get a b

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