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“New Learning” Barnard’s Inn Hall Holborn London EC1N 2HH Tel: +44 (0)20 7831 0575 Fax: +44 (0)20 7831 5208 Email : enquiries@gresham.ac.uk www.gresham.ac.uk © Gresham College 2008 Mercers’ School Memorial Professor of Commerce Michael Mainelli Regulating The Above Average: Luck or Skill?
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www.gresham.ac.uk © Gresham College 2008 Outline Woe begone days Control structures Skill or luck? Good or bad? Regulating the excellent Popularity measures “Get a detailed grip on the big picture.” Chao Kli Ning
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www.gresham.ac.uk © Gresham College 2008 Woe Begone Days
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www.gresham.ac.uk © Gresham College 2008 Above Average Lecter(er)
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www.gresham.ac.uk © Gresham College 2008 Inconceivable!
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www.gresham.ac.uk © Gresham College 2008 Luck Or Skill? [Source: http://southportbooze.wordpress.com/2008/06/11/poker-at-the-welly/]
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www.gresham.ac.uk © Gresham College 2008 Long-Term Application Of Skill [Source: http://image.orientaltrading.com/otcimg/62_9137.jpg]http://image.orientaltrading.com/otcimg/62_9137.jpg
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www.gresham.ac.uk © Gresham College 2008 Skill Or Luck? Heads/ObverseTails/Reverse
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www.gresham.ac.uk © Gresham College 2008 Flip!
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www.gresham.ac.uk © Gresham College 2008 Chance Would Be A Fine Thing FlipChanceCumulativeOdds, 1:x 1H/O0.5 2 2T/R0.50.254 3H/O0.50.1258 4H/O0.50.062516 5T/R0.50.0312532 6H/O0.50.01562564 7H/O0.50.0078125128 8T/R0.50.00390625256 9H/O0.50.001953125512 10T/R0.50.00097656301024
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www.gresham.ac.uk © Gresham College 2008 Dumb Luck
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www.gresham.ac.uk © Gresham College 2008 12 Long Years [Source: http://bigcharts.marketwatch.com/] ¿?
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www.gresham.ac.uk © Gresham College 2008 Good Or Bad? (1) George Fabio
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www.gresham.ac.uk © Gresham College 2008 Good Or Bad? (2) George Fabio R2 = 0.0067 R 2 =0.0026
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www.gresham.ac.uk © Gresham College 2008 Good Or Bad? (3) George Fabio
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www.gresham.ac.uk © Gresham College 2008 Finding Faults Commission over omission Losses over gains Present over future
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www.gresham.ac.uk © Gresham College 2008 Predicting The Above Average Disinformation Chance Skill Complex Simple High Low Gambler ProfessionalScientist Measurable Information
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www.gresham.ac.uk © Gresham College 2008 Competing Towards Excellence
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www.gresham.ac.uk © Gresham College 2008 Enforced Regulation Disinformation Enforcement Regulation High Low High Low Confused CumbersomeIneffective Desirable Information
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www.gresham.ac.uk © Gresham College 2008 Regulating The Above Average Appeal to professional or scientific virtue Use control systems Pin down predictions Promote competition… but avoid measuring popularity in place of performance
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www.gresham.ac.uk © Gresham College 2008 Discussion 1. Managing skill. 2. Managing luck. [Source: http://www.gammoned.com/backgammon-set-and-setup.html]
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www.gresham.ac.uk © Gresham College 2008 Regulating The Above Average: Luck Or Skill? Thank you! “Get a big picture grip on the details.” Chao Kli Ning
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