This note analyzes whether international material input structures have converged or diverged over time. Pooled variances for 25 industries were obtained from OECD input-output tables in constant prices for nine countries over the period 1971-1990. It is found that high-tech industries were...

The paper considers a (static) portfolio system that satisfies adding-up contraints and the gross substitution theorem. The paper shows the relationship of the two conditions to the weak dominant diagonal property of the matrix of interest rate elasticities. This enables to investigate the...

This note analyzes whether international material input structures have converged or diverged over time. Pooled variances for 25 industries were obtained from OECD input-output tables in constant prices for nine countries over the period 1971-1990. It is found that high-tech industries were...