Use quotation marks around a phrase or title for more accurate search results (example: “El Nino”).

Claudia Ringler

Deputy Director of Environment and Production Technology Division

Xinshen Diao

Xinshen Diao

Deputy Division Director, Development Strategy and Governance Division, and Theme Leader, Agricultural Transformation

A female livestock health worker prescribing drugs for a woman diary farmer in Bangladesh


Having access to nutritious and safe food is critical for individuals to achieve their physical and cognitive potential, maintain their health, and ensure economic productivity. Since agriculture and health are intrinsically linked—food that nourishes…

discussion paper

Delegation of quality control in value chains

This paper studies the decision of a firm that sells an experience good to delegate quality control to an independent monitor. In an infinitely repeated game consumers’ trust provides incentives to (1) acquire information about whether the good is…