Economics and technical change /
Heertje, Arnold.
St-Gallay, Z.
London Weidenfeld and Nicolson
1977
Translation of: 'Economie en technische ontwikkeling'. Leiden : Stenfert Kroese, 1973
Includes index
ISBN 0-297-77268-6 Pbk : £4.50
Technological innovations.
Economic development.