Demand

This was because they weren't grown in Europe, so when world explorers brought back this rare and exotic new fruit, supply was low and demand was high.

Eagle feathers are in high demand across North America, but it is illegal to hunt or kill eagles and get them.

Supply and demand is a model of microeconomics.

There are two determining factors on such a market, the number of things made available, called supply, and the number of things consumers want, called demand.

Supply and demand shows how producers and consumers interact with each other.

For normal goods, and a normal market, there are four basic laws that determine the change in the market, if either supply or demand changes.

If the demand increases, and the supply remains the same, there will be a shortage, and the price will increase.

If the demand decreases, and the supply remains the same, there will be a surplus, and the price will go down.

If the supply increases, and the demand remains the same, there will be a surplus, and the price will go down.

If the supply decreases, and the demand remains the same, there will be a shortage, and the price will increase.

When there is more demand, prices will go up because many people want to buy the same item but there is not enough supply for it.

The greater the demand, the faster this happens.

Depending on this demand, a lot of books are encoded to be able to read on the smartphones.

In 2014 US chocolate sales were $21.1 billion, that alone shows the significance and the demand for the product.