[eng] Institutional innovation is analysed as a cumulative and endogenous interaction process between organisations which produce, diffuse and enforce the rules, and organisations aiming to exploit the opportunities given by the institutional framework. Asymmetric positions and relative autonomy...

[eng] A research realized by a sample of Polish enterprises, in the context of systemic transformation, reveals the control of uncertainty as predominant behavior and the weight of durable relations. In various forms of durable interactions - based on complementarities and common past...