Since their emergence as distinct fields of inquiry in the early post-Second World War period there has been an uneasy relationship between growth economics and development economics. The emergence of a richer 'new growth economics' has opened up the possibilities of a more fruitful dialogue...

During the last half-century, advances in crop production came from expansion in areas irrigated from more intensive application of fertilizers and crop protection chemicals, and from crop varieties that were more responsive to technical inputs and management. Advances in animal production came...