Answer the following questions：
Why do prices fluctuate freely in a market economy?
What is the difference between revaluation and devaluation?
What is the difference between hard currency and soft currency?
Please tell us the different means of payment?
What organization issues paper money in a country?
What does hard cash refer to?
Answer the following questions：
What does realty consist of?
What are the common forms of money?
What is the characteristic of a township enterprise in China?
What is the difference between a state-owned enterprise and a state-run enterprise?
What do people gamble at?
Where do people gamble?
Is buying lottery tickets a speculative activity?
What are the advantages of a transnational company?