TIL in the mid-1990s shopping malls were being constructed in the US at a rate of 140 per year. But in 2001, a study found that underperforming and vacant malls ("greyfield" and "dead mall" estates) were becoming a problem and by 2007 no new malls were built in the US for the first time in 50 years.

TIL in the mid-1990s shopping malls were being constructed in the US at a rate of 140 per year. But in 2001, a study found that underperforming and vacant malls ("greyfield" and "dead mall" estates) were becoming a problem and by 2007 no new malls were built in the US for the first time in 50 years.