The coronavirus epidemic, which swept the whole world at the beginning of 2020 and turned into a widespread pandemic, has caused an important economic and social crisis. Governments and policy makers have tried to keep business life afloat with financial incentives and supports, government aids to combat the epidemic. The habits of doing business with remote working, flexible working, social media and internet use and online systems have been heavily used. After the Great Depression, the COVID epidemic caused serious contraction on the global economy. Therefore, it is important to examine the effects of this crisis by experts. With this book, the effects of the COVID crisis on different fields have been examined in detail by experts from different disciplines. We hope that this book will make significant contributions to researchers and scientists.