Dis­count web­sites like Groupon, Gilt Groupe and Slick­deals, which offer sig­nif­i­cant price cuts to their mem­bers through daily, weekly and monthly “deals,” have become a thriving corner of online com­merce. Richard Hanna, assis­tant pro­fessor of mar­keting in the Col­lege of Busi­ness Admin­is­tra­tion, whose research focuses on pricing strategy, pro­mo­tions and e-​​commerce, explains the advan­tages and dis­ad­van­tages, for busi­nesses and consumers.

How do the com­pa­nies that sell their wares for a dis­counted price ben­efit, and are con­sumers really get­ting a deal?

The pri­mary ben­efit to com­pa­nies is gen­er­ating aware­ness for their busi­ness.  Get­ting your name out on Groupon can be a major plus for small busi­ness, espe­cially because of the sheer num­bers reaching their list­ings. For the most part it’s low-​​cost mar­keting in the sense that firms are not spending money other than the for­gone profit of the dis­counted sale. Essen­tially, the allure of a daily deal to busi­nesses is the sheer expo­sure to thou­sands of people.

As for whether or not con­sumers get a good deal — yes and no. Daily deals can offer phe­nom­enal dis­counts to con­sumers, espe­cially for local ser­vices. How­ever, con­sumers need to do their home­work. Other ver­sions of this, such as online sample sales — over­stocked clothing and acces­sories from brand-​​name designers — run by Gilt or other deal aggre­ga­tors may be offering the same deals that you would find at Amazon or eBay. As always with online product pur­chases, watch out for the ship­ping or other costs to make sure the deal you just received isn’t elim­i­nated by paying a higher delivery cost.

Some of these sites offer dis­counted gift cards to small restau­rants and bou­tiques. Are the deals sus­tain­able for the small businesses?

Unless these deals lead to reg­ular repeat busi­ness, it’s unlikely that the con­tinued deals are sus­tain­able. Research in pro­mo­tions has shown that cus­tomers tend to devalue prod­ucts that are deeply dis­counted. More­over, the deeper the dis­count, the less likely the cus­tomer will make another purchase.

In a retail set­ting, where a store might dis­count one item to drive the sale of another full price item, dis­counts have a spe­cific tac­tical role. How­ever, as a device to acquire a new cus­tomer, the deep dis­count may sug­gest low value to con­sumers or even des­per­a­tion on the part of the busi­ness offering the deal.

It seems like there is a new dis­count web­site every week. Is there a risk that the market will become oversaturated?

The market for daily deals may already be over­sat­u­rated. More and more com­pa­nies seem to be jumping in to this space whether it is their pri­mary busi­ness model or an added fea­ture. For example, OpenTable, a restau­rant reser­va­tion web­site, now offers daily deals for restau­rant customers.

To be suc­cessful in this space, the inter­me­diary offering the deals to local busi­nesses has to do more than pro­vide deals; they need to dif­fer­en­tiate in order to stay ahead of the pack. On the busi­ness side, par­tic­i­pating busi­nesses need to have a pathway to cus­tomer reten­tion. For this to happen, con­sumers need a dif­ferent reason to par­tic­i­pate than simply deep discounts.

For example, some recent North­eastern grad­u­ates are launching a new ser­vice, Tweecal​.com, which will dif­fer­en­tiate itself by focusing on deals from local busi­nesses and lever­aging social net­working so that cus­tomers can track their own network’s inter­ac­tion with those busi­nesses. It will be less about deep dis­counting and more about building cus­tomer loyalty.