Highlights
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Our field experiment tested advertisements for demand creation in preventive health.
•Offering conditional economic compensation tripled uptake of the procedure.
•Framing the basic advertisement with “Are you tough enough?” doubled uptake.
•Our experiment appears to have helped overcome procrastination.
"procrastination" - Zögern
Offering compensation of US$10 conditional on a complement to the procedure, a short counseling session at a providing clinic, tripled uptake of the procedure
"Are you tough enough?" Na, biste ein richtiger Kerl, oder eine Memme? 
10 US-Dollar sind für einen Jungen in den ärmsten Gegenden Afrikas ein kleines Vermögen. Die Perversion des Wortes "voluntary".
Friedman, Freedman, immer wieder Friedman... Friede den kleinen Schniedeln!