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.
In 1906, the earthquake and fire turned the park into a temporary haven for approximately 200,000 people left homeless by the disaster. By 1967, as the hippies were flocking to the Haight Ashbury in the Summer of Love, John F. Kennedy Drive, the main road in Golden Gate Park, was closed to all car traffic on Sundays. It was the closing of this road to traffic would one day lead to the biggest explosion of skating anyone could ever imagine.