Arbeitspapier

Input-output tables and some theory of defective matrices

Recent developments in the theory of production networks offer interesting applications and revival of input-output analysis. Some recent papers have studied the propagation of a temporary, negative shock through an input-output network. Such analyses of shock propa- gation relies on eigendecomposition of relevant input-output matrices. It is well known that only diagonalizable matrices can be eigende- composed; those that are not diagonalizable, are known as defective matrices. In this paper, we provide necessary and sufficient conditions for diagonalizability of any square matrix using its rank and eigenval- ues. To apply our results, we offer examples of input-output tables from India in the 1950s that were not diagonalizable and were hence, defective.

Language
Englisch

Bibliographic citation
Series: Working Paper ; No. 2022-14

Classification
Wirtschaft
Mathematical Methods; Programming Models; Mathematical and Simulation Modeling: General
Subject
input-output tables
diagonalizability

Event
Geistige Schöpfung
(who)
Arora, Mohit
Basu, Deepankar
Event
Veröffentlichung
(who)
University of Massachusetts, Department of Economics
(where)
Amherst, MA
(when)
2022

DOI
doi:10.7275/pkv2-jm10
Handle
Last update
10.03.2025, 11:42 AM CET

Data provider

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Object type

  • Arbeitspapier

Associated

  • Arora, Mohit
  • Basu, Deepankar
  • University of Massachusetts, Department of Economics

Time of origin

  • 2022

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