We study social learning and innovation in an overlapping generations model, emphasizing the trade-off between marginal innovation (combining existing technologies) and radical innovation (breaking new ground). We characterize both short-term and long-term dynamics of innovation, and the...

The Republic of Bulgaria has been a Member State of the European Union since 2007. Its economic development has been framed by a Currency Board Arrangement (binding the national currency to the euro) since 1997. Recent development is characterised by slow economic growth. Preliminary GDP data...

Starting from the failure of the R&D-patents traditional relationship, when time-series and/or within industry dimensions are included in the empirical analysis, the present work tries to contribute to the empirical literature in two directions. Firstly, it perform a Granger causality test on...

This study aims to frame the innovation process between the two sectors of the economy: public and private. Innovation is recognized as the basis for long-term economic development, issues raised by Kondratiev and Schumpeter. Innovation also cause so-called long-term economic cycles. Article...