sector is very important and is the backbone of the tourism industry worldwide. We designed and administered two semi … questions for three consecutive years-2021: representing the past/before the energy crisis, 2022: the present/the time of the … crisis breakout and 2023: the future/after the crisis outbreak. Overall, a lower tourist expenditure is found for the future …

representatives of each asset class. Results: The crisis had the highest impact on the risk of crude oil, renewable energy sources …Background: In making investment decisions, asset risk and return are two crucial criteria on which investors base … their decision. Objectives: This paper provides risk and return analysis and compares different traditional and alternative …