That of the multiplier is a largely debated issue. Several studies propose estimates for it. This paper answers the question of how inequality affects the value of the multiplier. The proposed formulation is analytically derived from the Lorenz curve of income by means of Zanardi asymmetry...

The present paper emphasises that socioeconomic systems are complex systems due to two entangled categories characterising their constituents: heterogeneity and interaction as the main sources of complexity and emergence. This perspective is developed by reasoning on the double-face problem of...