From a peak of US$19,783, Bitcoin's value has fallen by 80%. What makes Bitcoin worth anything?
Financial markets are increasingly worried the US economy is heading for a crash. An economist explains what's got investors spooked.
As the expected costs of climate change grow, cities are on the frontlines of adapting to sea level rise and more intense storms – and finding ways to pay for it.
Valuing nature is hardly natural.
The G20's power comes from its members, but also vital is its informal structure and close working relationship with other international organisations.
Wage growth has been at near depression levels for half a decade. It needs a push.
All talk, no action? The G20 turns out to be a surprisingly productive international exercise.
Americans are increasingly struggling to save enough for retirement. If Social Security isn't saved, growing old in poverty will likely become more common.
Millions of Americans will be shopping for turkeys in the coming days. An economist suggests a few things to keep in mind as you hunt for the perfect bird for your feast.
In the midst of the information technology revolution, Australia's productivity growth has been slowing. It ought to have been the other way around.
Most researchers use the UN's Human Development Index to measure each country's progress, but that system has flaws. A new, simplified index aims to do it better.
Morals and the markets can mix after all.
A scholar who has worked with asylum-seekers for a decade explains why the legal path to safety is challenging for the migrants currently traveling through Mexico.
The Reserve Bank is worried that a further tightening of lending standards could take the air out of the housing bubble quickly. Here's how.
The death of the rules-based world order that supports the global economy and free trade has been greatly exaggerated.
Labor says it will wave through the 11-nation Trans Pacific Partnership deal, then amend it in government. That won't be easy.
A deep recession, a severe drought and a plunging currency have led to the biggest bailout in IMF history. The government hopes it can avoid the meltdowns that followed past crises.
Paul Romer and William Nordhaus both developed the field of economic growth.
Americans seem to believe trade deficits are a bad thing, partly because of arguments suggesting they mean the US is 'losing.' An economist explains why that's rubbish.
Canada, the US and Mexico have signed a deal to rip up the 25-year-old NAFTA and replace it with something new. But what's actually changed?