02:23
Impact of Government Policy and Social Issues on Productivity
Because productivity tends to be a national issue, there's an ongoing debate about what role government should play. Clearly, government policies in areas such as interest rates, taxation, capital investment and tariffs have a major impact on produc...
07:57
Ecology: Biosphere 2: A Laboratory for Studying the Future
While Biosphere 2's efforts to duplicate earth's complex ecological systems were unattainable, this scaled-down model is ideal for studying the effects of man on ecosystems. It is possible, for instance, to elevate carbon dioxide to the levels predi...