Mathematics · Matrix Applications
Assertion (A): In an open Leontief input-output model, the gross output vector X is given by X = (I - A)-1d, where d is the final demand vector. Reason (R): The Hawkins-Simon conditions ensure that (I - A)-1 exists and all its elements are non-negative. Choose the most appropriate answer:
- 1A is false but R is true
- 2A is true but R is false
- 3Both A and R are true, but R is NOT the correct explanation of A
- 4Both A and R are true, and R is the correct explanation of A✓
Correct answer
Both A and R are true, and R is the correct explanation of A
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