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.
The story of the new Bay Bridge really began in 1989, with the Loma Prieta earthquake. A lot of things collapsed -- including a section of the bridgeâs eastern span. California officials realized they needed to do something drastic to protect during the next inevitable quake.