What is the Austrian response to the hypothesis of the existence of a so-called savings glut, i.e.

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Question:

What is the Austrian response to the hypothesis of the existence of a so-called savings glut, i.e. a situation of excess savings?
a. A serious problem that only the market can solve
b. A problem that requires restoration of the gold standard to be solved
c. A problem that can only be solved by implementing unconventional monetary policy
d. That problem cannot exist in a market economy