We examine why cooperation among essential patent holders may not occur, despite significant gains for them and the users. We use the sequential coalition formation framework to show that no coalition may form when the number of patent holders is large, if a firm initiating the coalition can...

We examine patent pools in the context of a consortium standard. Although such pools of complementary technologies are approved by antitrust authorities, the actual implementation has proved to be problematic. We identify two possible obstacles: free riding and bargaining failure. We also...

"We evaluate statistically how the R&D management of a firm affects its research quality. Controlling for technology areas, a firm having short citation lag relative to the prior patent literature has a significantly high patent quality in terms of patent citation and the number of claims per...

This paper examines what drives author ordering in scientific research. We first discussa theoretical framework for the choice between alphabetical ordering and relative-contribution-based ordering and develop hypotheses, focusing on the nature of research, in particular, the importance of...

We investigate how a deferred patent examination system promotes ex-ante screening of patent applications, which reduces both the number of granted patents and the use of economic resources for examinations, without reducing the return from R&D. Based on a real option theory, we develop a model...