The economist who has got Bernie Sanders all figured out

“The grain of truth in MMT is we can add a little more debt probably safely but the problem is we don’t know where that trip point is. That’s what leaves me nervous”. In The Telegraph, Nikolaj Schmidt, chief international economist at T Rowe Price, and Nathan Sheets, chief economist at PGIM Fixed Income, explain why Modern Monetary Theory (MMT), backed by Bernie Sanders, is causing a stir in US economics.