The Indeterminacy School in Macroeconomics exploits the fact that macroeconomic models often display multiple equilibria to understand real-world phenomena. There are two distinct phases in the evolution of its history. The first phase began as a research agenda at the University of Pennsylvania...

"In the aftermath of the 2008 financial crisis, economists around the world have advanced theories to explain the persistence of high unemployment and low growth rates. According to Roger E. A. Farmer, these theories can be divided into two leading schools of thought: the ideas of pre-Keynesian...