The costs of Alzheimer's disease are significant. In 2021, it affected nearly 6 million Americans and accounted for an estimated 8 percent of total US health-care spending—about as much as cancer and heart disease combined. And those numbers are only expected to increase as the population ages. In a paper in the Journal of Economic Literature, authors Amitabh Chandra, Courtney Coile, and Corina Mommaerts explain how economists can help provide insights into the numerous policy issues that Alzheimer's disease raises. However, Mommaerts says that the disease also challenges core assumptions in the standard economics tool kit. She recently spoke with Tyler Smith about cognitive constraints, incentives for providers, and encouraging more innovative treatments for Alzheimer's disease.

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