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Karen Evelyn Hauge


Karen Evelyn Hauge. ESA Rome June 2007. 1. Public good situations: ... Public good experiment where subjects are induced to reflect on normative aspect ... – PowerPoint PPT presentation

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Title: Karen Evelyn Hauge

Normative reflection in a public good experiment
  • Karen Evelyn Hauge
  • ESA Rome June 2007

  • Public good situations
  • My choice effects your possibilities
  • How should I behave?-gt Moral motivation
  • Norms guide behavior
  • Norm salience (ex Cialdini, 1990)
  • Public good experiment where subjects are induced
    to reflect on normative aspect of situation

Experimental design
  • Public good game experiment
  • 3 treatments
  • Control standard (16 subjects)
  • Recursive 10 repetitions, groups of 4
  • Between subject design
  • T1 Unconditional moral question (20 subjects)
  • In your personal opinion, what is the ethically
    right thing to do? How many units should you
    contribute to the group project?
  • T2 Conditional moral question (20 subjects)
  • ...If other group members on average contribute
    the following rounded amounts, how many units
    should you contribute?

Results Reported Moral Ideals
  • Unconditional moral question
  • 15/20 subjects state ideal is 10
  • 5/20 subjects state ideal is between 3 and 8
  • Conditional moral question
  • 4/20 unconditional ideals
  • 9/20 exactly the average of others
  • 5/20 ideals depends positively on average of
  • 2/20 random

Average contributions by period
  • Individual average contributions, comparing
  • Control are T1 significant difference
  • Control and T2 not significant difference
  • T1 and T2 not significant difference (p0.5880)
  • Regression results
  • Sign coeff ideal, dummy for T1 and T2, dummy for
    period 9 and 10, age.

  • 1. Normative reflection has a
  • positive and significant impact on contribution
    behavior in a public goods experiment, when
    unconditional moral question
  • Positive but not significant impact when
    conditiotional moral question
  • Norm salience as a policy instrument
  • Few observations
  • Future research should look into anchoring effect
    and effect on expectations
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