The concept of profitability derived from building high density developments and malls around the landmark has proven successful. Its surrounding malls, hotels and condominiums in Downtown Dubai have generated the most revenue from the project as a whole, while the Burj Khalifa itself made little or no profit.
Is there evidence that there was an increase in revenue of surrounding economic entities is due to the existence of Burj Khalifa near that area itself?
The linked articles in the Wikipedia text are dated 2011, and are about how it will generate revenue, not that it has.