Zusammenfassung Die ortsübliche Vergleichsmiete spielt bei der Bestimmung der Miete nach dem Miethöhengesetz (MHG), insbesondere beim Einsatz von Mietspiegeln, eine wichtige Rolle. Üblicherweise wird dafür das arithmetische Mittel der Quadratmetermieten der einzelnen Wohnungen benutzt. In...

Summary The paper analyzes effects of randomized response with respect to some binary dependent variable on the estimation of the probit model. This approach is used in interviews when asking sensitive questions or if a respondent erroneously chooses the wrong category in an interview leading to...

Summary Economic researchers often consider quotients like R&D investment divided by sales which could be used to measure "research intensity" of firms if available. However, data on research in particular are highly confidential and would not be released in original form. Therefore scientific...

The paper states conditions for minimal variation within the explanatory variables such that the maximum likelihood estimate of the coefficient vector in the discrete choice logit model is unique. Special emphasis is given to the case that (almost) all individuals observe the same set of...