This paper uses mortgage data to construct a measure of terms on which households access to external finance, and relates it to consumption at both the aggregate and cohort levels. The Household External Finance (HEF) index is based on the spread paid by risky borrowers in the mortgage market....

This paper analyses the behaviour of prices and supply on the German housing market taking into account the interaction between prices and quantities. A novel price index for residential property prices covering the whole country going back to 1993 is used in a macroeconomic model to estimate...

Nonresponse in surveys may result in a distortion of the distribution of interest. In a panel survey the participation behavior in later waves is different from the participation behavior at the start. With register data that cover also the information for non-respondents one can observe a fade...

We propose a novel view of selection bias in longitudinal surveys. Such bias may arise from initial nonresponse in a probability sample, or it may be caused by self-selection in an internet survey. A contraction theorem from mathematical demography is used to show that an initial bias can...

Flexibles Carsharing bietet in den Städten eine Alternative zum privaten PKW-Besitz. Der mögliche Beitrag dieser Dienstleistungen zu einer Reduktion der Autoanzahl wird aber immer wieder kontrovers diskutiert. Die empirische Datenbasis zu dieser Frage ist bisher noch relativ klein. Die...