Data & Metrics helpdesk

IPR update From Robinson et al 2015 (https://ebrary.ifpri.org/digital/collection/p15738coll2/id/129825) “Assumptions about how crop and livestock productivity will change over time due to advances in technology: The methodology for calculating IPRs is based on Evenson and Rosegrant (1995) and Evenson et al. (1999). In addition, they have been adjusted over time through consultation with experts and economic model comparison projects.”