There are currently three main types of gold price in the world: the market price, the production price and the quasi-official price. All other types of gold prices are derived from them.
Economic expansion drives increased demand for gold jewelry, gold for technology and long-term savings, so there is a positive correlation between the price of gold and economic growth.
The important practical value of Soros' investment theory lies in its use of the theory of contrarianism to identify overreactive markets, following the process of market formation, from self-propelled strengthening to decay,
