journal articleRadio messaging frequency, information framing, and consumer willingness to pay for biofortified iron beanscanadian journal of agricultural economics | 2016 | by Adewale Oparinde, Ekin Birol, Abdoul Murekezi, Lister Katsvairo, Michael Tedla Diressie, Jean d'amour Nkundimana and Louis Butare This paper examines consumer acceptance and willingness to pay (WTP) for two iron bean varieties in Rwanda.