The opening of every single ` ` world 's tallest '' buildings in the past century has coincided with an economic boom . The Burj Khalifa opened just days after Dubai had to receive a $ 1 billion upgrade . * Some researchers say skyscrapers are a physical indicator of a boom and bust cycle in business .
The opening of every single ` ` world 's tallest '' buildings in the past century has coincided with an economic boom . The Burj Khalifa opened just days after Dubai had to receive a $ 1 billion upgrade . Some researchers say skyscrapers are a physical indicator of a boom and bust cycle in business .