Monetary vs fiscal policy.

In plain English

The two levers differ in who pulls them and how: the Federal Reserve sets policy rates and manages its balance sheet, while Congress and the president set tax law and spending. Monetary policy can move fast, since a committee can change rates at a scheduled meeting, but it works indirectly through borrowing costs and takes months to reach hiring and prices. Fiscal policy can be targeted at specific households or regions, but it moves at the speed of legislation. The two can reinforce each other or work against each other, and each is constrained by the other's choices. Both aim at the same economy through different channels.

01Why it matters

When a downturn hits, the tool being used tells you what to expect: a rate cut shows up first in mortgage and card rates, while a tax rebate or benefit extension shows up first in bank accounts.

02The math, step by step

Say output is weak. The monetary route cuts the policy rate by 1 percentage point, which might drop a $300,000 mortgage payment by roughly $180 a month. The fiscal route sends a $1,200 rebate to 100 million households, about $120 billion, spent over a few months.

Illustrative example. The amounts here are hypothetical, chosen to show how the math works, not real quoted rates or figures.

03What this is NOT

04Receipts

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