Warwick J. McKibbin is one of the world's top experts on global economic modeling. He has projected the outcomes of various US policy changes, including on the economic effects of different tariff levels. McKibbin joins host Anjali V. Bhatt to explain how econometric modeling works and why it is relevant for policymakers today. He also discusses new research on how economic and environmental models can help design pathways to cooperative climate policies and how Australia's economy is weathering these turbulent geopolitical times.