"Growth in Cities," NBER Working Papers 3787, National Bureau of Economic Research, Inc. "Some Remarks on Monetary Policy in an Overlapping Generations Model," Working Papers 246, California Institute of Technology, Division of the Humanities and Social Sciences. "Some Results on Global Asymptotic Stability of Control Systems," Discussion Papers 150, Northwestern University, Center for Mathematical Studies in Economics and Management Science. "The Global Asymptotic Stability of Optimal Control with Applications to Dynamic Economic Theory," Discussion Papers 151, Northwestern University, Center for Mathematical Studies in Economics and Management Science. "Global Asymptotic Stability of Optimal Control Systems with Applications to the Theory of Economic Growth," Discussion Papers 85, Northwestern University, Center for Mathematical Studies in Economics and Management Science. |