The thesis (Essays on the Impact of Policy Uncertainty on the Financial Markets) consists of three stand-alone research papers linked together under the common theme of policy uncertainty. Each essay analyzes the impact of policy uncertainty from a different perspective. In Essay 1, I examine the dynamics of the corporate bond market over the FOMC cycle. My findings contribute to the developing literature in financial economics that documents the existence of macroeconomic news announcement effects beyond the day of the monetary policy announcement. Cieslak et al. (2019), for instance, report a biweekly pattern in the equity market observable over the 6- to 8-week FOMC cycle due to the FOMC-related announcements. I not only document a sim...