The study of policy discourse comprises actor-centered and content-oriented approaches. We attempt to close the gap between the two kinds of approaches by introducing a new methodology for the analysis of political discourse called Discourse Network Analysis. It is based on social network...

From modest origins as specific types of state-interest group relations, policy network approaches have developed in a series of phases, with the appearance of network typologies, interorganizational analyses and diversified frameworks. To understand and judge network approaches, it is necessary...

To what extent are firms kept out of a market by patents covering related technologies? Do patents held by potential entrants make it easier to enter markets? We estimate the empirical relationship between market entry and patents for 27 narrowly defined categories of software products during...