In Portugal, Civil Servants may have a differential utilization of health services due to their supplementary Health Subsystem (ADSE), which grants them access to health services in the private sector at lower price. We exploit the impact of this double coverage on the demand for Portuguese...

Front cover -- Title page -- Copyright page -- Contents -- Foreword -- Introduction -- 1. Walden -- 2. A Sand County Almanac -- 3. Rachel Carson's Silent Spring -- 4. The Limits to Growth revisited -- 5. Small is still beautiful -- 6. An essay on Our Common Future -- Notes -- Contributors --...

This article describes how the rise in technological innovation has allowed for transnational criminal organizations (TCOs) to expand their operations using virtual platforms such as social media and online video games. These virtual platforms are utilized by TCOs to conduct some of their...

Urban population has been growing consistently worldwide, with large metropolitan areas experiencing expansion phenomena both in terms of population and extension. Naturally, these processes did not occur homogeneously throughout the territories. Through the last decade, population in suburbs...

This research aims to understand how the interactions across several social networks influence the visibility of a luxury brand's most relevant social network which acts as a showcase (Instagram). A data mining approach is proposed for modeling the number of likes on Instagram using 365 posts...

Purpose: This paper aims to propose a data mining approach to evaluate a conceptual model in tourism, encompassing a large data set characterized by dimensions grounded on existing literature. Design/methodology/approach: The approach is tested using a guest satisfaction model encompassing nine...

Purpose: Virtual reality (VR) and augmented reality (AR) are two technological breakthroughs that stimulate reality perception. Both have been applied in tourism contexts to improve tourists’ experience. This paper aims to frame both AR and VR developments during the past 15 years from a...