Secondary share marketplaces say OpenAI shares have fallen out of favor, in some cases becoming difficult to unload, as investors pivot quickly to Anthropic (Hema Parmar/Bloomberg)
Hema Parmar / Bloomberg : Secondary share marketplaces say OpenAI shares have fallen out of favor, in some cases becoming difficult to unload, as investors pivot quickly to Anthropic — OpenAI shares have fallen out of favor on the secondary market — in some cases becoming almost impossible to unload …
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When cooperation is beneficial to all agents
arXiv:2604.02862v1 Announce Type: cross Abstract: Within a general semimartingale framework, we study the relationship between collective market efficiency and individual rationality. We derive a necessary and sufficient condition for the existence of (possibly zero-sum) exchanges among agents that strictly increase their indirect utilities and characterize this condition in terms of the compatibility between agents' preferences and collective pricing measures. The framework applies to both continuous- and discrete-time models and clarifies when cooperation leads to a strict improvement in each participating agent's indirect utility.
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