The concept of digital twin (DT) has recently gained popularity due to its ability to create a virtual representation of systems in order to improve the performance of its cyber-physical counterpart. This study compares and analyzes datasets of DTs and their corresponding physical objects to...

We present evidence that discrimination against Asian-American Airbnb users sharply increased at the start of the COVID-19 pandemic. Using a DiD approach, we find that hosts with distinctively Asian names experienced a 12 percent decline in guests relative to hosts with distinctively White...

The airline ticket booking system we are proposing provides total freedom for passengers, where the passenger can use his personal computer to log on to the website and book his ticket. The airline ticket booking system allows only registered users or passengers to reserve flight tickets, view...

Tourism is one of the most important sectors in the economy as it helps increase revenue and improves the standard of living in a country. Tourism is one of the fastest growing industries worldwide and in general, the Internet continues to gain importance in the tourism sector. Information is a...

The purpose of this paper is to illuminate the perspective that tourists and particularly Greeks demonstrate as far as their booking behavior concerned travel reviews during the period of economic recession. Especially online travel reviews written by consumers are ever more available and used...

In-kind transfers can provide insurance benefits when prices of consumption goods vary, as is common in developing countries. We develop a model demonstrating that in-kind transfers are welfare improving to beneficiaries relative to cash if the covariance between the marginal utility of income...