Merryn Somerset Webb talks with Alex Edmans, author of "The Madness of Markets: Why Smart Investors Make Crazy Decisions – And How to Exploit Them," about why even sophisticated investors struggle to overcome the psychological biases that shape their decisions. Markets are driven by humans, and humans are emotional. Edmans explains how understanding the influence of emotion, herd behavior and over-confidence can help investors make better decisions — and potentially achieve better returns. Sign up for the Merryn Talks Money newsletter: https://www.bloomberg.com/account/newsletters/merryn-talks-money Sign up for the Money Distilled newsletter https://www.bloomberg.com/account/newsletters/money-distilled Watch Bloomberg Vodcasts: https://www.youtube.com/playlist?list=PLe4PRejZgr0MS0Tqk_zQl1LVVTdWuH2Di Subscribe to Bloomberg Podcasts: https://bit.ly/BloombergPodcasts Visit us: https://www.bloomberg.com/podcasts Visit our other YouTube channels: Bloomberg Television: https://www.youtube.com/@markets Bloomberg Originals: https://www.youtube.com/bloomberg For coverage on news, markets and more: http://www.bloomberg.com/video