We are living through a period of profound change and transformation of the shape of society and its underlying economic base .The nature of production, trade, employment and work in the coming decades will be very different from what it is today. In an agricultural economy land is the key...

This paper compares the theory of value and distribution of Arrow and Debreu [1954] with that of Sraffa [1960]. I consider such versions of the two models that capture their salient features, without aiming at the greatest possible generality, so as to isolate the precise nature of the...