Abstract
This note establishes a necessary and sufficient condition for a matrix to be positive. The recursive nature of the condition allows one to use mathematical induction to greatly simplify the proof of the existence and the solvability conditions of the Leontief system.
| Original language | English |
|---|---|
| Pages (from-to) | 405-408 |
| Number of pages | 4 |
| Journal | Economics Letters |
| Volume | 39 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - Aug 1992 |
| Externally published | Yes |