Daily itinerary, consisting of an individual's trips and activities on a day, is usually fundamental input for many travel demand models. However, current research lacks effective methods to extract complete daily itineraries of large-scale samples for a long period. To bridge this critical gap,...

Using simulated patients to mimic nine established non-communicable and infectious diseases over 27 trials, we assess ChatGPT's effectiveness and reliability in diagnosing and treating common diseases in low- and middle-income countries. We find ChatGPT's performance varied within a single...

Using simulated patients to mimic nine established non-communicable and infectious diseases over 27 trials, we assess ChatGPT's effectiveness and reliability in diagnosing and treating common diseases in low- and middle-income countries. We find ChatGPT's performance varied within a single...

This paper analyzes the foreign trade gap between 36 countries and regions and the role China plays from 1978 to 2007. The paper finds that the absolute gap among those countries increase, but the relative gap decrease, the gap between the developing and the developed decrease, the...

As the demand for organic and natural food grows in the U.S., studies show that consumers would and do pay more for these foods than their traditional counterparts. However, the question remains as to whether consumers really understand the differences between organic and natural products versus...

We construct an economic model of epidemiology, in which agents' economic decisions affect epidemic dynamics and vice versa. Agents are randomly matched and trade goods in pairwise meetings. The meeting rate increases in agents' search efforts, and the pathogen can be transmitted from infected...

We show that ongoing zero portfolio weights in cryptocurrency are surprisingly difficult to generate in a standard Bayesian portfolio theory framework. With ten years of prior data, equity market investors would need very pessimistic priors on mean returns to justify never having bought...

The tower grounding conductor is in close contact with the earth, and is the ground discharge channel for the fault current or lightning current of the transmission power system. This paper proposed a location and corrosion detection method of tower grounding conductor based on electromagnetic...