"Soccernomics" is a term that combines soccer and economics to analyze the sport's financial aspects and its impact on performance. It explores how data, statistics, and economic principles can explain trends in player transfers, team success, and fan engagement. The concept emphasizes the importance of smart investments and strategic decision-making in achieving success on the field. The term gained popularity from the book "Soccernomics" by authors Simon Kuper and Stefan Szymanski. The book argues that understanding the economics of soccer can lead to better management of clubs and improved performance. It highlights how factors like market size, player wages, and fan loyalty influence the game's dynamics.