economics HELLO, I'M FROM THE GOVERNMENT, AND I'M HERE TO HELP YOU

摘要

THE STRUCTURAL STEEL INDUSTRY has faced a variety of marketplace challenges over the past century and in each case has emerged as the market share leader compared to competitive framing systems. Ever since 1885 when the Home Insurance Building, the world's first skyscraper, was built in Chicago-displacing masonry construction through the emergence of concrete, pre-engineered metal buildings, cold-formed steel members, precast concrete and hybrid systems-structural steel has consistently maintained an approximately 50% market share of the structural framing market based on constructed square feet.