Key Takeaways
- Researchers monitored 227 Australian bettors for two weeks and discovered that promotional marketing from gambling operators drives increased betting activity and greater harm
- Participants who blocked promotional messages placed 23% fewer bets and wagered 39% less money compared to those receiving ongoing marketing
- Those who stopped receiving promotions reported 67% fewer instances of short-term gambling harm, including emotional distress related to betting
- Scientists highlight this as the first field study demonstrating that gambling marketing directly causes harm rather than simply being associated with it
- Results are strengthening arguments for tougher advertising restrictions and may justify complete prohibition of targeted gambling promotions
Recent research has revealed that promotional betting offers and targeted marketing campaigns from gambling operators contribute to more intense gambling behavior and elevated short-term harm among existing customers.
The investigation was carried out through a collaboration between Central Queensland University in Australia and the University of Bristol in the United Kingdom. Researchers monitored the gambling patterns of 227 Australian bettors throughout a 14-day observation period.
The study participants were predominantly male, averaging 45 years of age, with established habits of betting on sports events and horse racing. For experimental purposes, they were divided into two separate groups.
One cohort maintained their normal exposure to direct promotional communications from gambling companies. The second cohort withdrew from receiving these marketing messages for the study’s duration.
The findings revealed significant behavioral differences between the two cohorts. Bettors who eliminated marketing exposure placed 23% fewer individual bets compared to those continuing to receive promotional content.
Additionally, the group avoiding promotions reduced their overall wagering activity by 39%. Most notably, this group reported experiencing 67% fewer instances of short-term gambling-related harm, including emotional suffering associated with their betting behavior.
The investigation, entitled “Direct gambling marketing, direct harm: a randomised experiment,” received financial support from Gambling Research Australia, a collaborative initiative between Australia’s federal government and its state and territory governments.
Scientists Claim First Evidence of Direct Causation
Dr. Philip Newall, co-author from the University of Bristol, emphasized that this research represents the first real-world demonstration that targeted gambling marketing can directly cause gambling-related harm. Earlier studies had only established correlational relationships without proving direct causation.
Dr. Newall also noted that comparable harmful impacts might result from gambling advertisements broadcast on television or distributed through social media platforms. However, this particular investigation concentrated exclusively on direct account-targeted marketing such as free bet incentives and promotional email communications.
He referenced a 2023 white paper released by the United Kingdom government that rejected more stringent regulations on gambling marketing. The government’s position at that time was based on insufficient evidence supporting stricter measures.
Dr. Newall indicated this new evidence could address that knowledge gap. He anticipates the findings will connect with individuals who believe persistent betting promotions are exacerbating their gambling difficulties.
Pressure Mounts for Stronger Regulations and Player Safeguards
The Bristol Hub for Gambling Harms Research focuses on increasing public understanding of gambling-related damage. The organization also advocates for enhanced consumer protections through legislative reform and seeks to broaden access to treatment programs.
Professor Matthew Rockloff, primary investigator from Central Queensland University’s Experimental Gambling Research Laboratory, stated the research delivers concrete evidence that gambling advertising actively contributes to harm.
According to his assessment, the robustness of these results warrants more stringent oversight of gambling marketing practices. He suggested the evidence could reasonably support complete prohibition of direct gambling promotional activities.
Rockloff maintained that implementing such a prohibition would provide stronger safeguards for consumers against the continuous pressure of promotional messaging.
The study’s publication emphasized that these outcomes underscore the necessity for enhanced regulatory controls on gambling advertising across all distribution channels. Gambling Research Australia supported this research as part of its continuing investigation into how marketing influences betting patterns and behavior.


