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On the miraculous power of 'free'

I have long been making the point that the simple behavioral experiments performed by the new breed of economists are daily producing more useful insights for marketers than the millions we spend on fatuous and self-serving research.

Here is a new and brilliant test mentioned in the blog of Libertarian Economist Tyler Cowen at George Mason University. Interestingly it does much to support Drayton Bird, Russell Davies and the Sales Promotion industry. Among others.

Drayton bird once told us that, after years working on a tourist account, his only useful finding was that heading the coupon with "free brochure" invariably increased response; he taught us that "free" and "new" were the two most compelling words in any advertisement. Russell Davies last week wrote on the immense power of Free and Pretty Good in the world of content. Sales Promotion has long argued that giving free stuff away with a product does not have the same devaluing effect as discounting.

Now there comes an intersting experiement performed by  Dan Ariely, author of Predictably Irrational: The Hidden Forces which shape our Decisions.

Details of the experiment appear here. Non-US readers should know that a Kiss is a Hershey's Kiss (not a physical one), a low-priced chocolate drop.

Those who believe the change in behaviour between cheap and free are attributable to transactional costs (the hassle of getting a coin from your pocket) are wrong - in that the experiment only offered the choice to people who were already queuing to pay for other items.

The fact that we perceive free things in an altogether different way to cheap things is highly significant. It justifies the wholly-advertising-funded model for content. It explains Drayton's findings. And it suggests that freebie-on is not the same as money off.

Incidentally, I happily predict that the two books Sway: The Irresistible Pull of Irrational Behavior, by Ori and Rom Brafman and Nudge: Improving Decisions About Health, Wealth and Happiness (this being a defence of the idea of voluntary paternailsm) by Richard Thaler and Cass Sunstein may be the Freakonomics of 2008. Preorder them now.

All Comments

  February 11, 2008

Rory I trust you are well acquainted with the discipline known as social marketing? If not please read alan andreason or gerard hastings- would welcome your views

  February 14, 2008

Hi Rory, Do you think that this is an example of consumers copying each other and/or following social norms? i.e. Is it a case of simply snapping up a product as that's "just what you're meant to do" when something's free, and less about re-evaluating its value before deciding that its 'freeness' makes it a preferred choice? For example, Earls notes the informal rules followed by men at the urinals (always leave a urinal between yourself and the next man where possible and always stand at least 1 metre away if queuing!) whilst leaving a tip between 10-15% in a restuarant/cafe that you may never visit again is simply the done thing. Could we just be picking the "Free" product as that's what we're meant to do? It's one of those unspoken laws - if it's free take it. In some cases it may not even matter what it is - think of all the junk you can collect at industry events! This, of course, doesn't always work in the long term, as the countless free newspaper stands that we ignore on the way to work proves, but the Lindt example involves a pricing change and thus offers something new and of interest... Simon http://gregorsspot.blogspot.com/

  February 19, 2008

I agree that you may take the free Kiss just to "do the expected thing". Having said which, the previous part of the experiment had both kinds of chocolate on offer at a vast discount - and you say that snapping up bargains is a herd behaviour too. Nothing else quite explains the post-christmas sales, where surely the sheer grief involved outweighs any cash savings for many of the bargain hunters involved. One poster to the economics blog suggested that there was a fundamental difference between a gift and a bargain. It might seem churlish or rude to turn down a gift, for instance, whereas too eagerly taking up a bargain may be mildly embarrassing. Moreover cheap things may arouse more suspicion than free things. But interesting stuff, nonetheless.

  February 19, 2008

I knew of Andreason but not Hastings. I'll go and have a dekko.

  May 14, 2008

Michael J. Mauboussin's More Than You Know discusses the principle of reciprocity. In commercial terms, it means if someone gives you something for free (say, a clothier offers you a soft drink while you are taking a look at his ware, before you have spent anything), you make it a point to reciprocate his gesture, usually by making a purchase. That's another angle. It is also discussed in Influence: The Psychology of Persuasion by Robert B. Cialdini. Pabitra A. Chatterjee directindia.blogspot.com PS: Do drop in sometime.

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