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.
On May 24, 1987, the Golden Gate was closed to vehicular traffic and opened for pedestrians. Proud locals flocked to the bridge, eager for the rare chance to cross the span on foot. About 300,000 people swarmed to the bridge, with another half million or so waiting for a chance to have their turn.