TY - GEN TI - The miracle as a randomization device: a lesson from Richard Wagner's romantic opera Tannhauser und der Sankerkrieg auf Wartburg KW - B11 KW - C72 KW - K14 KW - Z11 KW - Z12 UR - http://else.econ.ucl.ac.uk/newweb/papers.php#2006 AV - public ID - discovery14536 CY - London, UK T3 - ELSE Working Papers PB - ESRC Centre for Economic Learning and Social Evolution A1 - Harmgart, H. A1 - Huck, S. A1 - Muller, W. Y1 - 2007/12// N2 - In this paper we provide textual evidence on the sophistication of medieval deterrence strategies. Drawing on one of the great opera librettos based on medieval sources, Wagner?s Tannhäuser, we shall illustrate the use of optimal randomization strategies that can be derived by applying notions of dominance or trembling-hand perfection. Particular attention is paid to the employed randomization device. ER -