Technological innovation requires the gathering of information through a process of searching and learning. We distinguish two different but definitely complementary and overlapping ways through which searching and learning occur. The first exploits the spillover potential that lies in a firm's...

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...