Fig. 7.

The effects of economic self-interest (P). Polarization of the population’s ideological positions over time with varying levels of economic self-interest, $P=0\%,1\%,\dots ,10\%$ (dark blue to yellow) that an actor will be attracted to its preferred (initial) position. (Left Inset) The initial normal distribution of actors’ ideological positions, which also represent their preferred positions when acting in self-interest. (Right Insets) Final configurations of the population after 2,500,000 steps for $P=0\%$, $1\%$, and $10\%$. See Movie S4 for animations.