Turning Trust to Transactions: Tracking Affiliate Marketing and FTC Compliance in YouTube's Influencer Economy

This paper analyzes a decade-long dataset of 2 million YouTube videos to reveal that while affiliate marketing is widespread, disclosure compliance with FTC guidelines remains critically low, suggesting that platform-standardized features are essential for improving transparency and trust in the influencer economy.

Chen Sun, Yash Vekaria, Zubair Shafiq, Rishab Nithyanand

Published 2026-03-05
📖 5 min read🧠 Deep dive

Imagine YouTube as a massive, bustling digital town square. In this town, millions of people (creators) stand on street corners, telling stories, reviewing products, and giving advice to the crowds. For years, these creators relied on the town square's owner (YouTube) to pay them for their popularity. But recently, the owner started changing the rules on who gets paid and how much, making the creators' income unstable.

So, the creators found a new way to make money: The "Secret Handshake" of Affiliate Marketing.

The Problem: The Invisible Handshake

Here's how it works: A creator says, "Hey, I love this blender! If you click this link and buy it, I get a tiny commission."

  • The Good: It helps creators survive.
  • The Bad: If they don't tell you, "By the way, I get paid if you buy this," you might think they just genuinely love the blender. You think their advice is 100% honest.

The FTC (the town's rulebook enforcers) has a simple rule: "If you get paid, you must shout it from the rooftops." They want the "secret handshake" to be a loud, clear announcement.

But our paper is like a detective agency that went into this town square with a high-tech magnifying glass to see what's actually happening.

The Investigation: What We Found

We looked at 2 million videos (a huge crowd!) from almost 540,000 creators over 10 years. Here is what we discovered:

1. The "Secret Handshake" is Everywhere
Affiliate links are as common as street food in this town. About 8.5% of all videos have these links. It's especially popular in "How-to" and "Tech" neighborhoods where people are looking to buy things.

2. The "Shout" is Mostly a Whisper
Here is the bad news: Most creators are not following the rules.

  • 69% of videos with affiliate links have no disclosure at all. It's like a salesperson whispering, "Buy this," while pretending to be a friend.
  • Even when they do try to tell you, they often use confusing language like "Support me by clicking below." The FTC says this isn't clear enough. It's like saying, "I might get a cookie if you eat this," instead of "I get paid to sell this."
  • The Big Creators are the Worst Offenders: You'd think the famous, big-name creators (the ones with 1 million+ fans) would be the most careful. Surprisingly, they are the least likely to follow the rules. They seem afraid that admitting they get paid will make their fans feel "sold out."

3. Who Can Fix This?
We asked: "Who is actually helping people follow the rules?" We looked at three groups:

  • The Rule Enforcers (FTC): They have been shouting rules for years. Did it work? A little bit. Compliance went up slightly, but not enough. The rules are too complicated for the average person to understand, and there are too many creators for the police to catch everyone.
  • The Product Sellers (Affiliate Partners): Companies like Amazon tell their sellers, "Please follow the rules." Did it work? A bit better. When the sellers gave clear instructions, creators followed the rules more often. But it's still not perfect.
  • The Town Square Owner (YouTube): This is the hero of our story. YouTube built a special "Disclosure Button" in their shopping section. When a creator uses this button, the system automatically writes a clear, bold notice for them: "I earn a commission."
    • The Result: Videos using this automatic button had 62% clear compliance. That is a massive jump compared to the 12% compliance of videos where creators had to write the notice themselves.

The Analogy: The Automatic Sign

Think of it like a speeding ticket.

  • The FTC is the police officer standing on the side of the road yelling, "Don't speed!" (People ignore it).
  • The Affiliate Partners are the car manufacturers putting a sticker in the car that says, "Don't speed." (People read it, but still speed).
  • YouTube's Tool is like a speed trap camera that automatically flashes a red light and prints a ticket the moment you speed. Because the system does the work for you, you follow the rules.

The Takeaway

The influencer economy is growing, but trust is eroding because the "secret handshakes" are too common and the warnings are too quiet.

The Solution? We can't just rely on creators to be honest or the police to catch everyone. We need the platforms (like YouTube) to build better tools. If YouTube makes it easy, automatic, and impossible to miss to say "I get paid," then everyone will follow the rules.

In short: The creators are trying to make a living, the rules are there to protect you, but the system is broken. The fix isn't more rules; it's better tools that make honesty the path of least resistance.