It tracks the shift from delayed print-dominated coverage to sophisticated live broadcasting techniques—including the use of helicopters and motorbikes—that changed how audiences perceive the race. Other Notable Studies:
This research is highly relevant to your interest in live tours ("en vivo") because it analyzes how the Tour de France evolved from a small French experiment in 1948 to the high-definition global product it is today. Tours Vuelta a Francia en Vivo
The study "TV Demand for the Tour de France: The Importance of Stage Characteristics versus Outcome Uncertainty, Patriotism, and Doping" found that live viewership is largely driven by the specific profile of the stage (mountains vs. flat) rather than just the uncertainty of who will win. It tracks the shift from delayed print-dominated coverage