Redistribution policies can reduce class gaps. Red-green cooperation provides better redistribution policies and equality. “During the red-green years that were the “best” in terms of redistribution policies, 2016 and 2018, the Swedish Gini coefficient (inequality) decreased and the 20 percent with the lowest income had a better income development than the 20 percent with the highest income.” Source: https://www.dn.se/debatt/rodgront-samarbete-ger-battre-fordelningspolitik/
In addition to the debate article, there is a report.Read the report from Katalys here.