The book is a result of my PhD studies in the Department of Economics in the North Eastern Hill University, India. It is written in partial fulfillment of the requirement for the award of the degree of doctor of philosophy in Economics from 2017-2021. The entire book presents the Structural Equation Model (SEM) pertaining to the inbound international and regional tourists to Bhutan in 2018 explaining the constructs or latent variables responsible for contributing to tourist satisfaction and their loyalty to Bhutan as tourist destination.