The purpose of this paper is to investigate the evolutionary process of imitation and innovation as a process of searching in a given neighbourhood of firms. Networks are the main source of information for firms willing to actively search and upgrade and which define the reachable neighbourhood...

The book revisits the subject matter of macroeconomic theory in a two-sector disequilibrium model inspired by the structural theories of the business cycle developed by Tugan-Baranowski, Aftalion, Fanno, and Lowe. The functioning of each market is modeled following Hicks: the features of each...