1) - The interest rates are low > less investors.
The investors prefer to keep their money on their banking accounts as the currencies are not attractive anymore.
The central banks are reducing their interest rates to respect the economic policy with their inflation target (about 2%). They don't have enough margin anymore to play with in order to fulfill their objective, that's why they keep the rates low.
Source : global-rates
2) - The European debt crisis is still not resolved.
3) - The employment flexibility is difficult in certain areas. The companies don't want to take the risk to employ people that they will have to pay dozens of thousands to fire if the revenues are weak.
Euro Zone unemployment rate
Source : tradingeconomics
3) - Domino effect.
As the energy demand is low, the oil price is weak. In consequences the countries economy essentially based on oil are declining, like Canada.
Canada unemployment rate
With the same logic, as the Chinese economy is reducing, they stop to buy gold and other metals, essentially sold by Australia.
China's total investment, China real annual GDP growth
Source : livemint
Australia unemployment rate