For example, a survey of small-business owners found that 51% did not believe they could survive the pandemic for longer than three months. At the same time, the S&P 500 posted its worst first-quarter on record.

In response to this havoc, the U.S. Federal Reserve (the Fed) is taking unprecedented steps to try and stabilize the economy. This includes, as Visual Capitalist's Marcu Lu details below, a return to quantitative easing (QE), a controversial policy which involves adding more money into the banking system. To help us understand the implications of these actions, today's chart illustrates the swelling balance sheet of the Fed.

How Does Quantitative Easing Work?

Expansionary monetary policies are used by central banks to foster economic growth by increasing the money supply and lowering interest rates. These mechanisms will, in theory, stimulate business investment as well as consumer spending.

However, in the current low interest-rate environment, the effectiveness of such policies is diminished. When short-term rates are already so close to zero, reducing them further will have little impact. To overcome this dilemma in 2008, central banks began experimenting with the unconventional monetary policy of QE to inject new money into the system by purchasing massive quantities of longer-term assets such as Treasury bonds.