So you want to quit smoking : have you tried a mobile phone?

(Disponible en anglais seulement.)

Explores the impact of mobile phone ownership on tobacco consumption. Using panel data from 2,100 households in 135 communities of the Philippines collected in 2003 and 2006, this study finds that mobile phone ownership leads to a 20% decline in monthly tobacco consumption.

http://go.worldbank.org/31W93KXFO0

Comment: Mobile phones present an important but as yet largely unused medium to deliver interventions inexpensively and anonymously.