3 Review(s)

In our societies , any kinds of products or services must need to apply demand and supply economic theory to analyze whether the kind of product or service may be value to invent to sell or serve to their customers in consumer market, if the kind of product or service demand number is less, then it ought not to raise manufacturing number to avoid "low price " sale or if the kind of product demand number is more, then it ought raise manufacturing number to have enough number in order to raise " high price" sale to satisfy customers their needs to buy their products. However, future space tourism leisure market , whether it will have more space tourism leisure need or whether how much space tourism leisure providers number is reasonable to satisfy future space leisure traveler number. In my this book, I shall attempt to apply economic demand and supply theory to explain.