Macroeconomic models that are based on either the rational expectations hypothesis (REH) or behavioral considerations share a core premise: All future market outcomes can be characterized ex ante with a single overarching probability distribution. This paper assesses the empirical relevance of...

Macroeconomics would not be what it is today without Edmund Phelps. This book assembles the field's leading figures to highlight the continuing influence of his ideas from the past four decades. Addressing the most important current debates in macroeconomic theory, it focuses on the rates at...

Main description: In the wake of the global financial crisis that began in 2007, faith in the rationality of markets has lost ground to a new faith in their irrationality. The problem, Roman Frydman and Michael Goldberg argue, is that both the rational and behavioral theories of the market rest...

This note focuses on George Soros's challenge to macroeconomics and finance theory that any valid methodology of social science must explicitly recognize fallibility in a Knightian sense. We use a simple algebraic example to sketch how extant models formalize fallibility. We argue that...

This paper argues that contemporary macroeconomic and finance models suffer from insuperable epistemological flaws and that their empirical difficulties -- which are particularly apparent in modeling market participants' expectations -- can be traced to economists' core premise that they can...