Algorithms, particularly in the form of artificial intelligence and machine learning, are proliferating in finance and changing how we make decisions. Algorithms have been around for a while in the ...

The original version of this story appeared in Quanta Magazine. Imagine a town with two widget merchants. Customers prefer cheaper widgets, so the merchants must compete to set the lowest price.

Stock Photo by Jacob Wackerhausen/Getty Images. Over the past decade, health insurance companies have increasingly embraced the use of artificial intelligence algorithms. Unlike doctors and hospitals, ...

Evidence suggests that insurance companies use AI to delay or limit health care that patients need. FatCameraE+ via Getty Images Over the past decade, health insurance companies have increasingly ...