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Second, starter response amplifies the \u201cherding effect,\u201d where the number of pledged backers attracts more new backers. Last, although achieving funding goals typically reduces momentum, we find that ongoing engagement via active response to backer comments mitigates this decline and sustains backer interest. Practically, fundraisers should actively manage discussions to signal trustworthiness, commitment, and manage expectations. Platforms can enhance communication effectiveness by summarizing key discussion sentiments, highlighting frequent topics, and integrating tools like live chat to foster efficient real-time communication. 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