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Christopher Teh, Dyuti Banerjee, and Chengsi Wang
2026, forthcoming
We study how acquisitions by a dominant incumbent affect entry and R&D incentives in markets with multiple startups. We show that acquisitions can create a kill zone, which suppresses entry and distorts the innovation direction of nontargeted startups. The resulting reduced threat of entry may...
Renato Gomes, Jean-Marie Lozachmeur, and Lucas Maestri
Olivier Faugeras
vol. 55, n. 2, 2026, pp. 105–152
The presence of zeroes in Compositional Data (CoDa) is a thorny issue for Aitchison’s classical log-ratio analysis. Building upon the geometric approach by Faugeras (2023), we study the full CoDa simplex from the perspective of affine geometry. This view allows to regard CoDa as points (and not...
