I will argue that when Keynes states that, in general, probabilities are not susceptible to numerical estimation, he is arguing that the probabilities, in general, can’t be represented by single number answers or point estimates. But they can be represented by intervals. Keynes’s general...

This article reveals a discontinuity in the mapping from a Lorenz curve to the associated cumulative distribution function. The problem is of a mathematical nature-based on an analysis of the transformation between the distribution function of a bound random variable and its Lorenz curve. It...

Dieses Buch vermittelt anschaulich und leicht verständlich die Grundlagen der Wirtschaftsstatistik (Mathematische Voraussetzungen, Beschreibende und Schließende Statistik, Datenanalyse), die für empirische Aufgabenstellungen, Datenaufbereitung, Ergebnisinterpretation und den Einsatz von...

1 Introduction -- The Logic of Decisions, Behavioral Decision Theory, and Decision Technology -- Optimization, Outranking, Evaluation -- Basics of Fuzzy Set Theory -- 2 Individual Decision Making in Fuzzy Environments -- Symmetrical Models -- Nonsymmetrical Models -- Fuzzy Utilities -- 3...