Kirpalani, Rishabh2016-09-192016-09-192016-07https://hdl.handle.net/11299/182299University of Minnesota Ph.D. dissertation. July 2016. Major: Economics. Advisors: Varadarajan Chari, Larry Jones. 1 computer file (PDF); viii, 232 pages.The three chapters in this dissertation constitute a study of macroeconomic models with markets that are endogenously incomplete. Chapter 2 provides microfoundations for two types of widely used incomplete market models while chapter 3 studies the role for policy in endogenously incomplete models. Chapter 4 examines the existence of multiplicity in such models and shows how this can provide an endogenous source of aggregate fluctuations in such models.enIncomplete MarketsMacroeconomicsThesis or Dissertation