We examine path dependency in physician decisions in an emergency department setting, and find that physicians’ treatment decisions for the current and previous patients are positively correlated. We show that the positive autocorrelation is higher when the current patient is of greater medical uncertainty or more similar to the previous patient in terms of ... Read More

Artificial intelligence is no longer just processing language—it’s making decisions. A new study led by HKUST’s Professor Songfa Zhong and his colleagues examines whether large language models (LLMs) like GPT exhibit economic rationality, a fundamental principle in decision-making. The findings? GPT’s choices are not only rational but, in many cases, more ... Read More