Present development and trends in evolutionary economics, P.P.Saviotti and J.S.Metcalfe; is there a general theory of biological evolution?, G.Mani; evolution in biology physics and economics - a conceptual analysis, M.Faber and J.L.R.Proops; organization and information in the evolution of economic systems, N.Clark; evolution and intention in economic theory, G.M.Hodgson; on some notions of irreversibility in economics, G.Dosi and J.S.Metcalfe; evolutionary human systems and learning, ignorance and subjectivity, P.M. Allen and M.Lesser; the role of variety in economic and technological development, P.P.Saviotti; a computer simulation of economic growth and technical progress in a multisectoral economy, S.Smith; econometric methodology in an environment of evolutionary change, J.Foster; innovation policy in an evolutionary context, K.Smith; some concluding notes.