Showing 1 - 10 of 337
"other goods" relationship, indicating an increase in heterogeneity for better off households, suggesting a "taste for …
Persistent link: https://www.econbiz.de/10005699609
We employ a semi-parametric estimation approach to analyse observed and unobserved heterogeneity in the value of … heterogeneity in preferences in a flexible way, meaning that we do not put any structure on how individual characteristics (such as …, we illustrate the estimation approach and find that there is substantial heterogeneity in the value of savings in travel …
Persistent link: https://www.econbiz.de/10011271951
We propose a quantification of the p-p plot that assigns equal weight to all distances between the respective distributions: the surface between the p-p plot and the diagonal. This surface is labelled the Harmonic Weighted Mass (HWM) index. We introduce the diagonal-deviation (d-d) plot that...
Persistent link: https://www.econbiz.de/10011255562
This discussion paper resulted in a publication in the <I>Journal of Economic Dynamics & Control</I>, 34(9), 1596-1609.<P> We introduce a statistical test for comparing the predictive accuracy of competing copula specifications in multivariate density forecasts, based on the Kullback-Leibler Information...</p></i>
Persistent link: https://www.econbiz.de/10011256012
This paper proposes a test for Lorenz dominance. Given independent samples of income or other welfare related variable, we propose a test of the null hypothesis that the Lorenz curve for one population is dominated by the Lorenz curve for a second population. The test statistic is based on the...
Persistent link: https://www.econbiz.de/10005342152
I expose the risk of false discoveries in the context of multiple treatment effects. A false discovery is a nonexistent effect that is falsely labeled as statistically significant by its individual t-value. Labeling nonexistent effects as statistically significant has wide-ranging academic and...
Persistent link: https://www.econbiz.de/10010604133
Fund-of-funds (FoF) managers face the task of selecting a (relatively) small number of hedge funds from a large universe of candidate funds. We analyse whether such a selection can be successfully achieved by looking at the track records of the available funds alone, using advanced statistical...
Persistent link: https://www.econbiz.de/10008528448
Consider the problem of testing s hypotheses simultaneously. In order to deal with the multiplicity problem, the classical approach is to restrict attention to procedures that control the familywise error rate (FWE). Typically, it is known how to construct tests of the individual hypotheses, and...
Persistent link: https://www.econbiz.de/10008528450
In this paper, we concentrate ourselves on Inclán and Tiao (1994)'s cusum test in regression models with ARCH errors. The ARCH and GARCH models have long been popular in financial time series analysis. For a general review, see Gouriéroux (1997).Inclán and Tiao (1994)'s cusum test was...
Persistent link: https://www.econbiz.de/10005130233
A quadratic function is frequently used in regression to infer the existence of an extremum in a relationship. Examples abound in fields such as economics, epidemiology and environmental science. However, most applications provide no formal test of the extremum. Here we compare the Delta method...
Persistent link: https://www.econbiz.de/10005063624