Is Billboard Advertising Still Relevant? The Case for Costly Signaling
The Resurgence of Billboard Advertising
In today’s fast-paced digital landscape, the relevance of traditional advertising methods, such as billboards, is often questioned. However, they remain a powerful tool largely due to a behavioral science principle known as costly signaling. This principle suggests that when advertisers invest significant resources in their messages, viewers tend to associate those messages with higher quality or status.
What is Costly Signaling?
Costly signaling theory revolves around the idea that the effort, time, or money spent on something heavily influences how others perceive its value. At its core, costly signaling is about perception; an expensive billboard conveys more value than a cheap social media ad. As Rory Sutherland, a notable advertising executive, aptly puts it, “The meaning and significance attached to something is in direct proportion to the expense with which it is communicated.”
The Mechanism of Costly Signaling
For costly signaling to be effective, two caveats must be considered:
-
Perceived Cost Needs Interpretation: The audience must interpret the cost correctly. They ought to recognize the expenses as a sign of quality.
- Reliable Signals: Only those who can afford to signal high quality through expense are truly able to do so, making the signal trustworthy.
This means that for advertisers, investing more resources into their campaigns correlates with a perceived increase in the importance of the message.
The Impact of Costly Signaling on Advertising
Let’s delve deeper into how costly signaling specifically applies to billboard advertising. A casual comparison reveals that social media ads, while cost-effective, are oversaturated, making it easier for any brand with a minimal budget to participate. This overcrowding can dilute the perceived value of any individual ad. In contrast, creating a compelling billboard requires a considerable investment, creating a natural barrier to entry that enhances its perceived worth.
Real-World Examples and Experiments
To illustrate this concept, consider a study conducted in Mauritius during the Hindu festival of Thaipusam, which examined religious rituals. Researchers measured donations made to local temples based on the effort involved in two types of rituals: low-ordeal and high-ordeal. Participants who witnessed the intense, high-ordeal rituals donated significantly more than those who saw the simpler, low-ordeal practices—demonstrating that higher perceived sacrifice leads to greater valuation of the outcome.
Billboards Make the Case Stronger
Curious about the effectiveness of billboard advertising, I designed a simple experiment. I showed 200 people a fake ad for my podcast, Nudge. Half the participants saw the ad alone, while the other half viewed the same ad displayed on a billboard. The results? Those who saw the billboard were 61% more likely to listen to the podcast. This clearly illustrates how the costly nature of a billboard enhances the perceived value of the content it promotes.
Innovative Billboard Advertising: Going Viral
Creativity can amplify the effects of costly signaling in billboard advertising. Let’s explore a few standout examples that have successfully captured public attention and gone viral.
1. Netflix’s Oversized Billboard
As a streaming giant, Netflix needed to announce its myriad shows. Instead of a simple billboard, they designed a massive mural that listed dozens of titles. This dramatic presentation not only showcased their extensive library but also underscored the investment made, increasing viewers’ perceived value of Netflix itself.
2. Dracula Billboards with a Twist
In a striking campaign, a BBC show about Dracula utilized a billboard adorned with knives that cast a shadow resembling the vampire at night. The elaborate design revealed the effort behind the advertisement and effectively captured attention, proving memorable and engaging.
3. Specsavers’ Humorous Approach
The well-known slogan, “Should have gone to Specsavers,” is skillfully incorporated into their advertising strategy. They purposely create billboard mistakes, drawing in consumers through humor. These error-laden billboards pique curiosity and induce laughter, reinforcing the brand’s message through creativity and perceived expense.
The Power of Creative Investment
So, how do we ensure that billboard advertising remains relevant? The key lies in the investment made in both resources and creativity. A well-designed billboard can transform the landscape of advertising. It isn’t just about purchasing ad space; it’s about how you utilize that space to communicate your message effectively.
By embedding creativity into billboard designs and maximizing the investments, companies can reap a higher return. The underlying principle is simple: the higher the perceived cost of creating the billboard, the greater the likelihood it will resonate with the audience.
Embracing the Future of Billboard Advertising
In conclusion, billboard advertising stands strong amid the rapidly evolving marketing landscape, primarily due to the principles behind costly signaling. As brands look to cultivate deeper connections with their audiences, understanding and leveraging this behavioral science principle will be essential in ensuring advertising strategies remain impactful and resonant.

