Before revision: In probability and statistics, a mean-preserving spread (MPS)Rothschild, Michael, and Stiglitz, Joseph, "Increasing risk I: A definition," Journal of Economic Theory, 1970, 225–243.
After revision: Bold textIn probability and statistics, a mean-preserving spread (MPS)Rothschild, Michael, and Stiglitz, Joseph, "Increasing risk I: A definition," Journal of Economic Theory, 1970, 225–243.