The study of tourism and hospitality can cover the business aspects of both the tourism industry and the hospitality industry. Some programs may focus on international aspects of the industry, which can increase a student’s prospects for career choices.

Switzerland, officially the Swiss Confederation, is a federal parliamentary republic consisting of 26 cantons, with Bern as the seat of the federal authorities. Switzerland's independence and neutrality have long been honored by the major European powers. Switzerland is a peaceful, prosperous, and stable modern market economy with low unemployment.

The PhD is a doctoral degree, specifically called a "doctor of philosophy" degree. This is misleading because PhD holders are not necessarily philosophers (unless they earned their degree in philosophy!). That said, PhD recipients are able to engage in thought experiments, reason about problems, and solve problems in sophisticated ways.