Why did the proportion of equities in long-term mutual funds increase from 38.3 percent in 1990 to

Question:

Why did the proportion of equities in long-term increase from 38.3 percent in 1990 to 70.0 percent in 2007 and decrease back to 55.5 percent in 2008? How might an investor’s preference for a objective change over time?

Mutual Funds
Mutual funds are like a pool of funds gathered by different small investors that have simalar investment perspective about returns on their investments. These funds are managed by professional investment managers who act smartly on behalf of the...