The Evidence for Contraceptive Options and HIV Outcomes (ECHO) trial was launched in 2015 to test the comparative risk of HIV acquisition among women using one of the following three contraceptive methods: depo-medroxyprogesterone acetate intramuscular (DMPA-IM), also known as Depo-Provera, two-rod levonorgestrel sub-dermal implant (LNG-Implant), branded as Jadelle, and the copper intrauterine device (Copper-IUD). 

Covering various issues in behavioral economics, this guide offers perspectives on the many topics, including:

  • Incentivization
  • Ethics
  • Taxonomy
  • BE and Marketing
  • Gender Equality
  • Pro-environmental Behavior
  • Intuitive Behavioral Design


Nepal's health sector needs accurate, comprehensive and disaggregated data to gauge its performance, identify disparities between social groups and geographic areas, and plan future interventions. 

This guide was designed to provide UNICEF program planners with accessible and engaging information on social norms, the role they play in perpetuating or changing harmful behaviors, and best practices for programming.