This paper investigates the effect of city size on income inequality in Germany after reunification. Using the Gini index, income inequality is computed. No correlation between income inequality and city size can be found, but dividing Germany in East and West Germany gives further insight into...

This paper deals with some problems in the measurement of inequality when negative incomes are allowed. A helpful axiom is defined, called the Greatest Gets More axiom. Using this axiom it can be shown that the properties of some inequality measures depend on whether there are negative incomes...

This paper investigates the concentration in the Swedish and Finnish insurance market. It considers the development of concentration over time and the differences between the two countries. The insurance industry is divided into life and non-life insurance companies. The concentration is...

This paper deals with some problems in the measurement of inequality when negative incomes are allowed. A helpful axiom is defined, called the Greatest Gets More axiom. Using this axiom it can be shown that the properties of some inequality measures depend on whether there are negative incomes...

Im Bereich der Messung der Änderung von Ungleichheit sind schon einige Maße vorgeschlagen worden. Doch bis jetzt hat noch niemand versucht, auf Grundlage von bestimmten Axiomen eine Klasse von dynamischen Ungleichheitsmaßen herzuleiten. Dies geschieht in dieser Arbeit. Nach der Definition der...