The researchers say this effect of money is plainly evident in everyday life. People with resources do not recruit friends to help run a party. They hire a caterer. Students with money do not give a moving party with pizza. They hire a mover. “We know there is a civilizing side to money, that people acting in a self-interested fashion depend on fellow humans in a community and tend to treat them fairly,” said George Loewenstein, a professor of economics and psychology at Carnegie Mellon University in Pittsburgh. “But this study shows its pernicious side, how the pursuit of money can be isolating.