The Economist explains | The Economist explains economics
What is the Keynesian multiplier?
Fiscal stimulus, an idea championed by John Maynard Keynes, has gone in and out of fashion
More from The Economist explains
Who will lead Britain’s Conservative Party?
Here are the four candidates vying for the daunting job
When can parents be held responsible for their children’s crimes?
Mass shootings by young assailants are raising the question
Will the debate between Kamala Harris and Donald Trump matter?
Normally presidential match-ups hardly move the needle—but this is no ordinary year
What are the Murdochs fighting about in a secret Nevada court?
The outcome could shape the political orientation of the family’s media empire
The battle between drones and helicopters in Ukraine
Small cheap drones could pose a new threat to expensive Russian craft
A short history of political meddling with the Federal Reserve
Donald Trump’s attacks on the Fed are a throwback to the era before central-bank independence