Analyzing Some Economic Relations Based on Expansion Input-output Model

This paper is trial attempt for introducing the concept of Leontief inverse matrix and the Leontief extended system for Keynes multipliers, which can analyze the relationship between income groups and consumer groups, respectively. The model is also used to analyze the structure of income in order to describe quantitatively the relationship between income from production and income not from production. The empirical study used the Vietnam input-output table, 2005.