Collaborating with investor networks generated in the course of equity-based crowdfunding campaigns can contribute to the success of startup firms. Through a qualitative study of 60 European startups, this article identifies the type of inputs provided by equity investors, how these inputs are related to startups' and founders' characteristics, and startups' later performance. Startups exploiting crowd network are more likely to be successful two years later compared with startups that do not exploit the crowd, or acquire from the crowd product, strategy, or market knowledge. The findings extend existing research on the relationships between open innovation and startups by identifying the inputs provided by the crowd and how the use of crowd equity investors in open innovation platforms is related to later success.

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Uncertainty and information asymmetries in crowdfunding can be reduced via the quality signals project proponents send to potential supporters. Drawing on signaling theory, this study analyzes how costly signals-venture's statements about past achievements and results-and costless signalsventure's statements about future plans and goals-influence crowdfunding performance. The results of a multi-method study of 597 UK equity crowdfunding campaigns suggest that only costly signals increase the amount raised through crowdfunding and that costless signals generally have a negative effect. However, for companies introducing radical innovations use of costless signals is not punished by the crowd.

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