In this paper, two literatures that have explored the structure of economies are brought together. In the first case, the approaches to key sector identification (initially associated with Hirschman and Rasmussen) that were modified by Cella, Clements and Rossi and Guilhoto et al. to reveal what...

In this paper, using a set of interregional input-output tables built by the authors for the year of 1992 for 2 Brazilian regions (Northeast and rest of the economy), attention is focused on a new approach to the interpretation of Miyazawa's concepts of left and right multipliers in the...

A new triple LDU-factorization (L represents a lower-triangular block matrix, D represents the diagonal block matrix and U represents an upper-triangular block matrix) of the Leontief inverse is based on the Schur block-inversion of matrices. This factorization is applied to the decomposition of...

This paper uses a set of international input-output tables constructed for selected Asian countries (and the USA) for the years of 1975 and 1985 to compare sectoral and intercountry changes over this decade. The analysis makes use of a framework developed by Guilhoto, Hewings, and Sonis (1996)...