What are the eight types of demands in international tourism management and marketing?

There are eight basic forms of market demand: harmful demand, negative demand, no demand, potential demand, declining demand, irregular demand, sufficient demand and excessive demand.

1. Negative demand: the demand that consumers want to avoid or even are willing to spend money to avoid, such as the death insurance when the insurance industry in China started; Customers are unwilling to accept, or even look coldly at the people who come to sell, or even have contradictions;

2. no demand: It can be divided into three situations. One is a worthless product.

3. Potential demand: the demand that can be needed and has purchasing power, but does not buy for the time being, is the potential demand.

4. Declining demand: customers are tired of a certain product or service.

5. Irregular demand: The market demand of a product or service fluctuates with time.

6. Sufficient demand: also known as saturated demand, it is an ideal market supply and demand.

7. Excessive demand: The consumer's demand for a product exceeds the market supply.

8. Harmful demand: These products have adverse effects on customers or society.