Measurement of Agroforestry yields and family benefits Rolando Cerda*, Olivier Deheuvels 2 , David Calvache 3 , Lourdes Niehaus 4 , Yara Saenz 5 , Justine Kent 6 , Sergio Vilchez 7 , Alejandra Villota 8 , Carlos Martinez 9 , Eduardo Somarriba 10 *Corresponding author: CATIE, DID, 7170, Cartago, Turrialba 30501, Costa Rica Tel.: +506 2558 2350, fax: +506 25 8 2045. E-mail address: rcerda@catie.ac.cr