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Foul or fair? : the Heckman correction for sample selection and its critique : a short survey

Puhani, Patrick A. - 1997

This paper gives a short overview of Monte Carlo studies on the usefulness of Heckman's (1976, 1979) two-step estimator for estimating a selection model. It shows that exploratory work to check for collinearity problems is strongly recommended before deciding on which estimator to apply. In the...

Persistent link: https://www.econbiz.de/10011440716

Do magazines "companion websites" cannibalize the demand for the print version?

Kaiser, Ulrich (contributor); … - 2005

We analyze the relationship between website visits, magazine demand and the demand for advertising pages using Granger …

Persistent link: https://www.econbiz.de/10003025761

The effects of website provision on the demand for German women's magazines

Kaiser, Ulrich - 2001

What happens to demand if a magazine launches a website? This question is empirically analyzed for the German women … differentiated product demand are estimated on panel data covering the period 1990 to 2000, showing that website provision does not … demand than competitors that did not go online. Descriptive evidence on the magazines? website contents shows that websites …

Persistent link: https://www.econbiz.de/10011447038

Optimal cover prices and the effects of website provision on advertising and magazine demand

Kaiser, Ulrich - 2002

demand curves: the demand for the print medium and the demand for advertising space. Publicly available data on German women …'s magazines observed between 1998 and 2001 are used in the GMM estimation. Main findings are that my estimated marginals cost … coincide well with those of industry sources, magazines with a high circulation elasticity of advertising demand price markedly …

Persistent link: https://www.econbiz.de/10011447583

Uncertainty of outcome versus reputation : empirical evidence for the first German football division

Czarnitzki, Dirk; Stadtmann, Georg - 1999

This paper analyses the determination of match attendance in the German premier football league by applying models derived from Peel/Thomas (1992) and Janssens/Késenne (1987). Additionally we develop an improved version, where we incorporate the supporter clubs and the weather conditions as...

Persistent link: https://www.econbiz.de/10011443285

The behaviour of noise traders : empirical evidence on purchases of business magazines

Czarnitzki, Dirk; Stadtmann, Georg - 2000

, demand for financial advise should be high in a bull market and low in a bear market. Thus, we test the hypothesis whether … the demand for business magazines is somehow related to the performance of the stock market. It turns out that the sales …

Persistent link: https://www.econbiz.de/10011445202

The link between firms' innovation decision and the business cycle : an empirical analysis

Heger, Diana (contributor) - 2004

The sensitivity of innovation activities with respect to the business cycle is often assumed to be small. In this paper the hypothesis on cyclical dependence of innovation activities is tested for firms in the German manufacturing, and additionally for SMEs. To this end firms’ innovation...

Persistent link: https://www.econbiz.de/10002515503

Give missings a chance : combined stochastic and rule-based approach to improve regression models with mismeasured monotonic covariates without side information

Dlugosz, Stephan - 2011

Register data are known for their large sample size and good data quality. The measurement accuracy of variables highly depends on their high importance for administrative processes. The education variable in the IAB employment sub-sample is an example for information that is gathered without a...

Persistent link: https://www.econbiz.de/10008901839

Application of a simple nonparametric conditional quantile function estimator in unemployment duration analysis

Wichert, Laura (contributor); Wilke, Ralf A. (contributor) - 2005

estimate aggregate credit supply and demand functions including a stock market indicator as explanatory variable. The analysis …

Persistent link: https://www.econbiz.de/10003342766

Application of a simple nonparametric conditional quantile function estimator in unemployment duration analysis

Wichert, Laura (contributor); Wilke, Ralf A. (contributor) - 2007

In many econometric applications it is unclear from the very beginning whether a parametric functional of a continuous regressor should be specified as a linear, as a higher order polynomial or as a piecewise linear. Nonparametric estimators can provide relevant information as they are a...

Persistent link: https://www.econbiz.de/10003527620