Presentation outline motivations Measures of GVC Participation, Length and Position Decompose GDP and final goods production by country/industry to identify gvC related and unrelated production activities Intuition behind the derivation of these indexes Estimation results Why these new gvc indexes are better? Has gvc become longer or shorter over time? Can these new indexes help to quantify the roles of gvc in the economic shocks of recent global financial crisis ConclusionPresentation outline • Motivations • Measures of GVC Participation, Length and Position ▪ Decompose GDP and final goods production by country/industry to identify GVC related and unrelated production activities ▪ Intuition behind the derivation of these indexes • Estimation Results ▪ Why these new GVC indexes are better? ▪ Has GVC become longer or shorter over time？ ▪ Can these new indexes help to quantify the roles of GVC in the economic shocks of recent global financial crisis • Conclusion