The paper presents theoretical considerations and empirical evidence to test the validity of the Laffer in Narrower Sense (LINS) curve as a parabola with a maximum. Attention is focused on the so-called legal-effective tax gap (letg). The econometric application is based on statistical data...

Two challenges in the literature have inspired this paper. First, the highly contradictory puzzle of debates on the “public budget–economic growth” correlation, explainable in great measure by the inadequacy of involved modeling tools (assumptions and specifications) with studied samples....