This book is divided into nine chapters. The main objective is to evaluate different challenges and lessons from COVID-19 from an economic point of view. The main aim is to propose "COVIDECONOMICS" is to assess the impact of COVID-19 economically under the use of new analytical tools to evaluate the damage and its final effect on different social groups. We define COVIDECONOMICS as a new research field in Economics to assess the COVID-19 from different holistic approaches. The first chapter is the introductory part to explain each chapter of this book. The rest of the chapters show other economic models to evaluate the impact of COVID-19 from a multidimensional perspective.