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One hypothesis suggests that the Cambrian explosion was caused by the rise of predator-prey relationships. This hypothesis is best supported by an increased incidence of which of the following fossil traces?
M2
A measure of the money supply that includes cash, checking deposits, and easily convertible near money, such as savings deposits, small time deposits, and money market mutual funds.
M3
A measure of the money supply that includes M2 plus large time deposits, institutional money market funds, and other larger liquid assets.
Reserve Ratio
The fraction of deposits that banks are required to hold in reserve and not lend out, aimed at controlling the money supply and banking stability.
M3
A measure of the money supply that includes M2 (cash, checking deposits, savings deposits, money market securities) plus large time deposits, institutional money market funds, and other large liquid assets.
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