Eritrea es un pequeño país del noreste de África, al que casi todos los rankings ubican entre los tres más pobres del mundo. Eritrea hace 30 años que no tiene un censo (Jerven, 2013). Eritrea es como un hipertenso severo que no puede medirse la presión, que no puede consultar a un médico....

Financial bubble prediction has been a significant area of interest in empirical finance, garnering substantial attention in the literature. This study aims to detect and forecast financial bubbles in the Vietnamese stock market from 2001 to 2021. The PSY procedure, which involves a right-tailed...

Predictions about the future have been made since the earliest days of humankind, but today, we are living in a brave new world of prediction. Today’s predictions are produced by machine learning algorithms that analyze massive quantities of personal data. Increasingly, important decisions...

We present a methodology for analyzing the impact of algorithmic recommendations on product market competition, addressing concerns that have been raised in both academic and policy circles regarding their potential anti-competitive effects. Our analysis demonstrates that recommender systems...

Sensor arrays play a key role in the detection of soil gas. Nevertheless, suboptimal sensor combinations may culminate in a myriad of complications, such as overlapping selectivities, superfluous features, and deterioration of performance. To mitigate those challenges, we innovatively developed...

This paper considers the scenario where the assortment provided by the seller can influence customers' evaluation of item utility. A possible consequence is that certain items in an assortment become "star items" to customers, and customers over-evaluate their utilities. We call such a...