Our article provides a critical assessment of the Walrasian research program. It is based on an original methodogical viewpoint, in which theories are seen as languages. It examines the rationale for developing alternative research programs and expounds some flaws of the "post-classical...

We present a small size dynamic macroeconomic model, numerically calibrated on quarterly French data, describing an economy working under imperfect competition on both labour and goods markets. The labour market exhibits a persistence effect relying on the insider-outsider theory. The closure of...