This book analyzes the 2018 and 2019 men's and women's World Cups to understand how the use of Video Assistant Referees (VAR) affected each tournament. Unlike goal technology, where the decision is entirely left to the machine's algorithm, the VAR still has a human component, making it prone to...

Transfers are big business in association football. This paper develops a generalized additive mixed model that aids managers in predicting how a football player is expected to perform in a new team. It does so by using event-level data from the Spanish and the Colombian football leagues. Using...

This book analyzes the 2018 and 2019 men's and women's World Cups to understand how the use of Video Assistant Referees (VAR) affected each tournament. Unlike goal technology, where the decision is entirely left to the machine's algorithm, the VAR still has a human component, making it prone to...

Emotions are intrinsic components of human behavior that have the capacity to affect how individuals perform in their daily activities. Much of the literature has explored the topic using experimental data or, when using sporting events, focusing on pre-competition triggers. This paper uses...

A number of soccer officials have long debated whether to ban soccer games played at high altitudes above sea level. This paper explores soccer player’s performance when playing at high elevations using data obtained from the Copa Libertadores. I propose a range of direct indicators of player...