This thesis consists of three self-contained essays on behavioral market design. The first essay presents the results of a field experiment which tests the effects of advice and mechanism disclosure on the truth-telling rates of participants in a school choice problem using the Top Trading Cycles mechanism. The second essay analyzes college admissions with entrance exams, comparing both theoretically and experimentally two alternative designs: centralized and decentralized. The third essay is built on the theory of the second one and compares standard and parallel contests in a field experiment with workers of a micro-credit company in Russia.Diese Dissertation umfasst drei eigenständige Essays über das Design von Märkten unter Berücksicht...