Economic growth is an expansion of the capacity to produce, not just …
Economic growth is an expansion of the capacity to produce, not just a temporary fluctuation in GDP. In this video, learn about the definition of economic growth and how growth occurs.
Not everyone who isn't working is considered unemployed. Learn how the official …
Not everyone who isn't working is considered unemployed. Learn how the official rate of unemployment is calculated in this video, and learn what it means to be officially unemployed. Created by Sal Khan.
Uniporters, symporters, and antiporters are proteins that are used in ƒ??transportƒ?? of …
Uniporters, symporters, and antiporters are proteins that are used in ƒ??transportƒ?? of substances across a cell membrane. Uniporters are involved in facilitated diffusion and work by binding to one molecule of substrate at a time to move it along its concentration gradient. Symporters and antiporters are involved in active transport. Antiporters transport molecules in opposite directions, while symporters transport molecules in the same direction.
In the video we explore why the marginal utility per dollar spent …
In the video we explore why the marginal utility per dollar spent should be equal for the last increment of either good purchased. Created by Sal Khan.
In the video we explore why the marginal utility per dollar spent …
In the video we explore why the marginal utility per dollar spent should be equal for the last increment of either good purchased. Created by Sal Khan.
In this video, we learn how a nation's GDP can be calculated …
In this video, we learn how a nation's GDP can be calculated by summing up the value added by all the intermediate producers in a nation in a method called the value added approach.
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