Beta has been a controversial measure of risk ever since it was proposed almost half a century ago, and we do not pretend to settle with this article what decades of research has not. We do, however, take advantage of the recent trend of investing in countries and industries through index funds...

Beta has been a controversial measure of risk ever since it was proposed almost half a century ago, and we do not pretend to settle with this article what decades of research has not. We do, however, take advantage of the recent trend of investing in countries and industries through index funds...

Beta has been a controversial measure of risk ever since it was proposed almost half a century ago, and we do not pretend to settle with this article what decades of research has not. We do, however, take advantage of the recent trend of investing in countries and industries through index funds...

Beta has been a controversial measure of risk ever since it was proposed almost half a century ago, and we do not pretend to settle with this article what decades of research has not. We do, however, take advantage of the recent trend of investing in countries and industries through index funds...

From biased lending algorithms to chatbots that spew violent hate speech, AI systems already pose many risks to society. While policymakers have a responsibility to tackle pressing issues of algorithmic fairness, privacy, and accountability, they also have a responsibility to consider broader,...