QUESTION 7 A study examining the performance of numerous assets from the United States and around the world confirms that O a. most assets (including common stocks) have positive correlations with inflation. b.riskier assets with higher standard deviations experienced higher returns. C. standard deviation did a better job of explaining the returns than beta. d. riskier assets with higher standard deviations experienced lower returns. O e.U.S. equities are highly correlated with world government bonds and with the commodities index