This book, Volume I, was specifically written for the Panhellenic Written Competition 2G/2022 and serves as a fundamental and necessary aid on the subject of Macroeconomic variables.

The reader can conceptually delve into the economic phenomena of GDP, economic growth, the SOLOW model, the Cobb-Douglas model, etc. Additionally, the multiple-choice questions aim for a comprehensive understanding of these economic phenomena.

The structure of the book, the writing style, and the development of the topics enhance quick reading and comprehension of the material by the reader. Specifically, the book includes:

• Complete theory of Macroeconomic concepts in extensive analysis
• Simple diagrammatic analyses and examples for easy understanding
• Published examples and diagrams from distinguished EU sources
• Exam topics from previous years
• 225 multiple-choice questions with relevant indications after each subunit of the material aimed at the immediate consolidation of concepts and potential exam topics by the reader.

Volume 1 covers the following topics of section 8 Macroeconomic Variables and National Accounts: 8.1 Gross Domestic Product, 8.2 GDP per capita, 8.3 GDP Economic Growth Rate, 8.4 Causes of GDP increase and production factors, and 8.5 Gross National Income.