This book analyzes the existence of equilibria in economies having a measured space of agents and a continuum of agents and commodities. Excessive homogeneity with respect to agent productivity leads to instability and non-uniqueness of a given stationary state and the indeterminacy of the...

Intro -- Title page -- Copyright -- Dedication -- Preface -- Note -- Acknowledgments -- Chapter 1 America's Savings Challenge -- We Don't Save Enough -- The Key Change in America's Retirement Planning Process -- How Financial Innovation Helps -- The Magic of a 15 Percent Savings Rate -- Notes --...