This paper proposes a new approach for multilateral comparisons using index numbers. The new approach combines two recently-proposed innovative techniques to examine differences among economies at various levels. The Minimum Spanning Tree algorithm, based on the idea of minimizing substitution...

This article provides evidence of a link between specialization patterns-in intermediate inputs or final goods-and business cycle correlations: countries with a similar intermediate goods content of exports tend to have more correlated gross domestic product fluctuations and external balances....