But the location has a temporary downside: It is situated next to Trump Tower. The president-elect has been holed up there with his top aides interviewing potential cabinet appointees, and even before his election, Trump often retreated to his penthouse there in between stops on the campaign trail.

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On Tuesday, Tiffany executives acknowledged that business has been hurt by the security-related disruptions that have come with having Donald Trump as a neighbor.

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As it reported its third-quarter earnings, the company said in a news release that because of that situation, “management has noted some adverse effect on traffic in that store and a continuation of sales softness relative to prior year and to the company’s other U.S. stores this year.”

The luxury jewelry chain was quick to note that the Fifth Avenue store represents less than 10 percent of the company’s overall sales, so its 2 percent decline in global sales this quarter reflects a host of other challenges.

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But it’s not clear how fast the problem at the Fifth Avenue store is going to go away: Since Donald Trump was elected, Trump Tower has become his home base for hammering out the details of his transition. The area has been constantly swarming with security, including both police officers and Secret Service. Some areas have been barricaded or otherwise restricted, making it hard for pedestrians to get around.

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And these sales results don’t even reflect the most recent weeks of transition-related activity; they are for a quarter that ended Oct. 31.

Then there’s the fact that Trump reportedly plans to travel frequently between Trump Tower and the White House throughout the transition, raising the specter that the Fifth Avenue security procedures could return intermittently throughout his presidency.

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This is likely why Tiffany also said Tuesday that it “cannot provide any assurance that sales in that store will not be negatively affected by this activity in the fourth quarter or in any future period.”

Flagship stores are not just important for retailers because of the sales they pull down: They are critically important marketing vehicles. Chains hope that when you see their outposts on the toniest urban streets, and when you walk through their aisles and see their very best merchandising, it will favorably shape your perception of the brand for a long time.

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So even if they don’t spend a penny during a trip to the Fifth Avenue store, husbands may think of Tiffany down the road when it’s time to buy their wives an anniversary present. Grandmothers may be enchanted enough to go there in search of a special wedding gift. Tourists from Japan and China might be inclined to buy Tiffany pieces when they get back home.