We examine the impact of a January 2012 enforcement action by the U.S. Department of Transportation that required U.S. air carriers and online travel agents to modify their web interfaces to incorporate all ticket taxes in upfront, advertised fares. We show that the more prominent display of...

We examine the impact on air travelers of an enforcement action issued by the U.S. Department of Transportation in January 2012 that required U.S. air carriers and online travel agents to incorporate all mandatory taxes and fees into their advertised fares. Exploiting cross-itinerary ticket tax...

Since 1987, the U.S. Department of Transportation (DOT) has required all large domestic airlines to report on the on-time performance of their flights. Using the data collected by the DOT, we analyze how schedule times, actual flight times and on-time performance have changed in the industry...

This study examines how airlines in the United States report risk at a difficult and uncertain time as a result of the COVID-19 pandemic. The fundamental differences between the years 2019 and 2020 are identified using Leximancer, which is used to locate the key ideas and themes addressed in the...

This study examines airlines' voluntary disclosure behavior before and after deregulation. Before deregulation, did airlines avoid voluntary disclosures in order to reduce political costs? After deregulation, did airlines reporting higher earnings provide more voluntary disclosures in order to...

Air transport networks have exhibited a trend towards complex dynamics in recent years. Using Lufthansa’s networks as an example, this paper aims to illustrate the relevance of various network indicators - such as connectivity and concentration - for the empirical analysis of airline network...