The issue of dynamic efficiency is central to analyses of capital accumulation and economic growth. Yet the question of what characteristics should be examined to determine whether actual economies are dynamically efficient is unresolved. This paper develops a criterion for determining whether...

A roadmap to "rethinking macro" / Olivier Blanchard and Rafael Portillo -- Debt supercycle not secular stagnation / Kenneth Rogoff -- Rethinking secular stagnation after seventeen months / Lawrence Summers -- Systemic risk and financial regulation -- A note from the session on systemic risk and...