The researchers found that the productivity of the more highly illuminated workers increased much more than that of the control group. They also found out that their productivity even improved when the lights were dimmed again. As a result, the researchers<span> concluded that it was not the changes in physical conditions that were affecting the workers' productivity. Rather, it was the fact that someone was actually concerned about their workplace.</span>
An externality associated with a market can produce negative costs and positive benefits, both in production and consumption.
Answer:
The statement that accurately describes a result of the Crusades is C. Crusaders brought back new ideas about science and medicine from the Islamic world.
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Explanation:
Answer:
A. Trade barriers are low.
Explanation:
Concentration of production makes most sense when trade barriers are low.
Having low trade barriers means that the exchange between products is easier between countries. So whatever products are made in concentration, they can be traded between countries without too many restrictions and that indirectly helps the economy in growing their profits.
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