diminishing returns. occur when hiring new workers causes marginal product to decrease but still remain positive; total product is still increasing, but by not as much as when the previous worker was added.
'It sure almost destroyed the Golden Gate Bridge,' he said. The Tacoma Narrows Bridge in Washington - a suspension bridge whose designer also worked on the Golden Gate - had twisted and snapped in about 40 mph winds a little more than a decade earlier. That 1940 collapse was captured on film.
November 2005: A section of a highway bridge under construction in southern Spain collapses, killing six people. May 2003: A tractor-trailer slams into a bridge support on Interstate 80 in western Nebraska, sending the bridge crashing down onto the truck and killing the driver.