Has public investment declined as a share of GDP across advanced economies?
Core argument: Public investment in advanced OECD countries fell from an average of 4.5% of GDP in the 1970s to 3% by the late 1990s.
From 1970 to 2000, public investment as a percentage of GDP in advanced OECD countries showed a declining trend, dropping from an average of 4.5% in the 1970s to 3% by the late 1990s. In contrast, selected Latin American countries experienced more volatility, with public investment peaking at 6% of GDP in the early 1980s before falling to around 2.5% by 2000. This divergence highlights differing fiscal policy approaches and economic conditions, with OECD nations focusing on fiscal consolidation and efficiency, while Latin American countries faced economic instability and debt crises. The data underscores the importance of stable fiscal policies in maintaining sustainable investment levels, which are crucial for long-term economic growth and infrastructure development.



