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The Psychophysiology of Real-Time Financial Risk Processing

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Author Info
Andrew W. Lo
Dmitry V. Repin

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Abstract

A longstanding controversy in economics and finance is whether financial markets are governed by rational forces or by emotional responses. We study the importance of emotion in the decisionmaking process of professional securities traders by measuring their physiological characteristics, e.g., skin conductance, blood volume pulse, etc., during live trading sessions while simultaneously capturing real-time prices from which market events can be defined. In a sample of 10 traders, we find significant correlation between electrodermal responses and transient market events, and between changes in cardiovascular variables and market volatility. We also observe differences in these correlations among the 10 traders which may be systematically related to the traders' levels of experience.

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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 8508.

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Date of creation: Oct 2001
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Handle: RePEc:nbr:nberwo:8508

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Find related papers by JEL classification:
G10 - Financial Economics - - General Financial Markets - - - General (includes Measurement and Data)
G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies

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References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. Jon Elster, 1998. "Emotions and Economic Theory," Journal of Economic Literature, American Economic Association, vol. 36(1), pages 47-74, March. [Downloadable!] (restricted)
  2. Shefrin, Hersh & Statman, Meir, 1985. " The Disposition to Sell Winners Too Early and Ride Losers Too Long: Theory and Evidence," Journal of Finance, American Finance Association, vol. 40(3), pages 777-90, July. [Downloadable!] (restricted)
  3. De Bondt, Werner F M & Thaler, Richard, 1985. " Does the Stock Market Overreact?," Journal of Finance, American Finance Association, vol. 40(3), pages 793-805, July. [Downloadable!] (restricted)
  4. Terrance Odean, 1998. "Are Investors Reluctant to Realize Their Losses?," Journal of Finance, American Finance Association, vol. 53(5), pages 1775-1798, October. [Downloadable!] (restricted)
  5. Gervais, Simon & Odean, Terrance, 2001. "Learning to be Overconfident," Review of Financial Studies, Oxford University Press for Society for Financial Studies, vol. 14(1), pages 1-27.
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  6. Kahneman, Daniel & Tversky, Amos, 1979. "Prospect Theory: An Analysis of Decision under Risk," Econometrica, Econometric Society, vol. 47(2), pages 263-91, March. [Downloadable!] (restricted)
  7. Gur Huberman, 2001. "Contagious Speculation and a Cure for Cancer: A Nonevent that Made Stock Prices Soar," Journal of Finance, American Finance Association, vol. 56(1), pages 387-396, 02. [Downloadable!] (restricted)
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Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Lucy F. Ackert & Bryan K. Church & Richard Deaves, 2003. "Emotion and financial markets," Economic Review, Federal Reserve Bank of Atlanta, issue Q2, pages 33-41. [Downloadable!]
  2. Antonio Falato, 2008. "Happiness maintenance and asset prices," Finance and Economics Discussion Series 2008-19, Board of Governors of the Federal Reserve System (U.S.). [Downloadable!]
  3. Dr. Peter Kenning & Hilke Plassmann, 2004. "NeuroEconomics," Experimental 0412005, EconWPA. [Downloadable!]
  4. Antonio Falato, 2003. "Happiness Maintenance and Asset Prices," Finance 0310003, EconWPA. [Downloadable!]
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