The rapidly growing national debt in the U.S. since the 1970s has alarmed and intrigued the academic world. Consequently, the concept of dynamic (in)efficiency in an overlapping generations (OLG) world and the importance of the heterogeneous-agents and incomplete markets (HAIM) hypothesis to...

Introduction -- A Brief Survey of the Literature -- The Closed Economy: The Solow Model -- Overlapping Generations -- Infinite Horizon -- The Small Open Economy: The Solow Model -- Overlapping Generations -- Two Countries: The Solow Model -- Synopsis -- Conclusion -- Result