Background: Economic evaluation as an integral part of health technology assessment is today mostly applied to established technologies. Evaluating health care innovations in their early states of development has recently attracted attention. However, while it offers a number of benefits, it...

Cooperation can benefit and hurt firms at the same time. An important question then is: when is it better to cooperate. And how can an appropriate partner be selected? In this paper we present a model of inter-firm cooperation driven by cognitive distance, appropriability conditions and external...