Why are there only 4 presidents on Mount Rushmore?

Why are there only 4 presidents on Mount Rushmore? Gutzon Borglum selected these four presidents because from his perspective, they represented the most important events in the history of the United States. How did they choose the presidents for Mount Rushmore? The four presidents from left to right are George Washington, Thomas Jefferson, Theodore Roosevelt, […]

Why IQ tests are problematic?

Why IQ tests are problematic? According to some researchers, the “cultural specificity” of intelligence makes IQ tests biased towards the environments in which they were developed – namely white, Western society. This makes them potentially problematic in culturally diverse settings. Why is it important to know one’s IQ especially in entering college? IQ tests also […]

What is market failure in public policy?

What is market failure in public policy? Market failure is the economic situation defined by an inefficient distribution of goods and services in the free market. In market failure, the individual incentives for rational behavior do not lead to rational outcomes for the group. Why we need public policies to neutralize the impact of market […]

What is coal used for in Europe?

What is coal used for in Europe? A big part of hard coal (47 % in 2019) and the majority of brown coal (83 % in 2019) is used for power production. In 2019, 83 million tonnes of hard coal were delivered to power plants in the EU producing electricity and heat. What was coal […]

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