A common assumption, often accepted by regulators – that individuals act only in their narrow self-interest – is false. Evidence from both the natural and social sciences suggests that most people are strongly motivated to cooperate and help one another. Organizations (such as Toyota and...

En el Perú, país con una asombrosa diversidad ecológica, con 84 zonas climáticas y paisajes distintos, con selvas tropicales, altas cordilleras y desiertos, puede que el contexto geográfico no sea suficiente para explicar las variaciones regionales en ingresos y bienestar, pero si es muy...

The objective of this article is to analyse the implications of recently spanish personal income tax (IRPF) reform for the distribution of personal income, and additionally to provide a comparative evaluation in terms of social welfare of both taxes. Empirical analyses is performed by a...

In Del Río and Ruiz-Castillo (2000) a new concept of intermediate inequality between the absolute and relative concept was proposed, and empirical procedures for a welfare analysis à la Shorrocks (1983) were developed. The aim of this paper is to use this methodology to difine a new concept,...

In this paper we provide a simple general equilibrium model with public investment and distorting taxes. First, we obtain the optimality conditions for public investment provision under different tax systems. Also we discuss whether tax revenue is increased by the complementary between...