The Effect Of Effectiveness: Donor Response To Aid Effectiveness In A Direct Mail Fundraising Experiment

Karlan, Dean; Wood, Daniel H., (2017). The Effect Of Effectiveness: Donor Response To Aid Effectiveness In A Direct Mail Fundraising Experiment. Journal Of Behavioral And Experimental Economics, 66, , 1–8.



Type of evidence: Field-exp-charity

Related tools: Effectiveness info: deliberation, "Impact" (per $) info

Related theories:

Related critiques:

Charity target:

Donor population:

Paper summary


First wave treatment was an non-numerical indicator of the method's credibility:

“According to studies on our programs in Peru that used rigorous scientific methodologies, women who have received both loans and business education saw their profits grow”; in first wave the strong emotional appeal was present for both control and treatment.

The second wave treatment was quantitative

That is why we have coordinated with independent researchers [at Yale University] to conduct scientifically rigorous impact studies of our programs.In Peru they found that women who were offered our Credit with Education program had 16% higher profits in their businesses than those who were not, and they increased profits in bad months by 27%!

… and it also *removed* the emotional component (for the treatment, retained for the control).

They report the *net* effect of both treatments. A re-analysis of the raw data could be very helpful.

<airtable:mention id=“menk4OzwZMtIepN5z”>@Alexis Carlier</airtable:mention> 


Meta-analysis data

Study year:

Data link:

Peer reviewed: ✓

Journal rating: 2

Citations: 4


Replication success:



Participants aware:



Simple comparison:

Sample size:

Share treated:

Key components:

Main treatment:

Mean donation:

SD donation:

Endowment amount:

Endowment description:


Conversion rate:

Effect size original:

Effect size USD:

SE effect size:

SE calculation:

Effect size share:

Mean incidence:

Effect size incidence:

Headline p-val:

P-val description:

This paper has been added by David Reinstein

Enter your comment. Wiki syntax is allowed:
O​ A O M P
  • papers/the_effect_of_effectiveness_donor_response_to_aid_effectiveness_in_a_direct_mail_fundraising_experiment.txt
  • Last modified: 2018/06/11 09:12
  • by katja