26 Pages Posted: 10 Apr 2024 Date Written: March 11, 2024 Abstract Central banks and other financial policymakers rely on macroeconomic models to understand transmission channels of policy decisions, forecast the economy under different scenarios, and inform policy stances in a forward-looking way. Over time, some central banks have made the source code of their macroeconomic models publicly available, an interesting development in the decades-long increase in levels of central bank transparency...