Bloomberg Opinion columnist Barry Ritholtz interviews Allison Schrager, an economist, writer and co-founder of the risk advisory firm Lifecycle Finance Partners LLC. Her book "An Economist Walks into a Brothel: And Other Unexpected Places to Understand Risk" was published in April. Schrager is a reporter at Quartz and has been a regular contributor to The Economist, Reuters and Bloomberg Businessweek. She has a Ph.D. in economics from Columbia University.