Central banks are the problem. They have destabalised the global economy by constantly lowering interest rates and creating asset bubbles to promote the illusion of growth. Central bankers are politically appointed in many cases so they have no interest in cooling an economy. It messes up the business cycle and creates the conditions for even bigger booms and busts. Alternative currencies like Bitcoin will rise in popularity and may hold the key to a less manipulated financial system in the longer term - but I fear we will have another financial crisis before the new alternative currencies have gained traction. We shall see...