This book is the result of my studies, which use the Global Trade Analysis Project (GTAP) simulations for exploring impacts of international trade on logistics services. Because, demand for logistics depends mostly on the volume of trade and trade patterns, international trade affects the transport and logistics, as it might generate a higher or lower demand for transport and logistics services. This book consists of two parts and seven chapters. First part of the book shortly introduces you to the general concepts of the computable general equilibrium models (CGE) and presents you fundamentals of a CGE model. In each chapter of the last part, short articles that include various simulations based on various scenarios are presented. Each chapter of this book is independent of each other. I hope you will find this book informative, beneficial and appropriate for your needs.