1 BACKGROUND OF THE STUDY
Tourism is one of the fastest growing industries that provide services and sales of goods for visitors who came from outside of the destination area for a period of more than 24 hours and less than one year (Aregawi, 2016). Tourism is a collection of activities, services, and industries which bring a travel experience and comprising elements of transportation, accommodation, eating and drinking establishments, retail shops, entertainment businesses and other hospitality services which provided for individuals or groups traveling away from home (Basnet, 2016).Also tourism is smokeless, vacation decentralize and service multifaceted industry. Tourism has basically developed after the end of last global conflict which becomes too popular global leisure activity (Thapa, 2013).
Tourism is one of the fastest growing industry and largest economic sector in the world. This growth is explained by different authors, through description of international tourist arrival in different years, such as: The number of international tourist arrivals reached more than 664 million in 1999, well over 10% of the world’s population(Alemayehu, 2011). The number of international tourist arrivals increased from 457.2 million in 1990 to 696.7 million in 2000 corresponding to an average annual growth rate of 4.3 percent (Dabour, 2003). In 2007, a total of 903 million arrivals made up for US$ 856 billion of international tourism receipts (Koblenzer, N.D).