Problem: Joseph Stiglitz argues that extreme inequality undermines social solidarity for all the following reasons EXCEPT: Group of answer choices People will not work as hard if they feel their pay is not a fair reward for their efforts. High levels of inequality are correlated with lower levels of social trust, making it harder for people to make economic deals for their mutual benefit. The concentration of wealth at the top creates such jealousy that ordinary people will reduce their work hours out of spite. Societies with high degrees of inequality tend to spend less on education, wasting our potential human talents.