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Does knowledge spread more quickly when firms are geographically closer? Focusing on knowledge diffusion from multinational enterprises (MNEs) subsidiaries in the context of the US semiconductor industry, our analysis suggests that the broader MNE patents are, in terms of the knowledge sources they draw on, the slower the speed of knowledge diffusion to more spatially proximate firms, compared to more distant ones. Moreover, our findings suggest that this outcome could be attributed to a greater reliance on knowledge sources that are internal to the MNE network or located geographically distant. We provide interpretative cues for these findings and provide policy recommendations in line with our results. [ABSTRACT FROM AUTHOR]

This paper focuses on the interplay between firms and open and collaborative innovation communities. We develop a formal model where both volunteers (agents setting their agendas freely) and firm's employees (agents whose agenda is mostly set by their employer) participate in the creation of a common artifact. In this framework, we discuss how firms can influence the architecture of the emerging product to assure fast and performant development and a desirable distribution of innovative labor within the project team. We find that closing the project only to employees implies high speed and performance if employees are given autonomy in certain dimensions and are directed in others. In this case, however, we observe a trade-off in terms of ideal core–periphery division of labor on one side and development speed and performance on the other side. At the opposite extreme, creating a volunteer-only project can ease the trade-off but assures positive results only if the firm is able to set up an entry mechanism that "surgically" selects volunteers with specific preferences. A mixture of both employees and volunteers can strike a good balance, relaxing the two constraints. [ABSTRACT FROM AUTHOR]

Online communities have emerged as important organizational forms, but there are many gaps in our understanding. In particular, researchers have mainly focused on individual-level drivers of behaviors in communities, while downplaying (formal, informal) context at various levels. We theorize that different dimensions of context (i.e. omnibus and discrete context) influence decision-making in online communities through mechanisms involving community members' attention. Specifically, context influences which problems members perceive and which solutions they retrieve and apply, thereby shaping the process of matching solutions and problems. We derive four hypotheses about contribution behaviors in online communities and how such behaviors are influenced by context. The empirical setting for our study is the open-source software community. We find support for our hypotheses in a unique dataset that captures the behavior of 24,057 community members who used the SourceForge.net online platform from 2000 to 2002. [ABSTRACT FROM AUTHOR]

This article analyzes the conditions under which open collaborative innovation communities can be generated and are able to grow and prosper in the long run. We build a formal model of the interaction between such communities and the alternative institutional setting based on intellectual property rights that we call Technology. The model accounts for both the communitarian social process taking place inside the community and for the presence of spillovers both across and within each institution. We prove that communities grow endogenously above a certain size threshold, and that such growth depends on supply-side mechanisms centered on the developers’ social motivations and interactions. In a comparative statics analysis, we show that the community’s innovative performance rests not only on its own characteristics (strength of social motivations and/or of protection of the community-produced knowledge) but also on factors outside its scope, namely, the institutional characteristics of Technology. We discuss the managerial and policy implications of our findings. [ABSTRACT FROM AUTHOR]