Research returns redux: a meta-analysis of the returns to agricultural R&D

A total of 294 studies of returns to agricultural R&D (including extension) were compiled and these studies provide 1,858 separate estimates of rates of return. This includes some extreme values, which are implausible. When the highest and lowest 2.5 percent of the rates of return were set aside, th...

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Detalles Bibliográficos

Autores principales:	Alston, Julian M., Marra, Michele C., Pardey, Philip G., Wyatt, T. J.
Formato:	Artículo preliminar
Lenguaje:	Inglés
Publicado:	International Food Policy Research Institute 1998
Materias:	agricultural research
Acceso en línea:	https://hdl.handle.net/10568/161247