https://www.ips-journal.eu/topics/economy-and-ecology/california-is-taking-on-the-ultra-rich-9266/ IPS Journal en 2026-08-26T09:59:18+02:00 California is taking on the ultra-rich billionaire tax, wealth tax, California billionaire tax, California wealth tax, taxing billionaires, ultra-rich taxation, wealth inequality, tax justice, progressive taxation, global wealth tax, tax avoidance, tax impunity, billionaire wealth, extreme wealth, wealth inequality, global tax reform, international tax cooperation, wealth taxation, tax policy, inequality and democracy https://www.ips-journal.eu/fileadmin/_processed_/4/1/csm_591184259_Oualalou_521b399340.jpg California is taking on the ultra-rich / © picture alliance / Reuters | Abdul Saboor