Thematic maps illustrate the spatial distribution of one or more variables of interest within a given geographical unit. The purpose of this talk is to present version 2.0 of the -tmap- package, a suite of Stata programs designed to draw several kinds of thematic map. The first public release of...

This presentation outlines a panel data retrieval program written for Stata/SE, which allows easier accessing of the German Socio-Economic Panel Data set. Using a drop-down menu system, the researcher selects variables from any and all available years of the panel. The data is automatically...

We present a theoretical and empirical analysis of the fitness of national German (German Commercial Code ­ Handelsgesetzbuch (HGB)) and international (IAS and US-GAAP) accounting information, as well as European patent data to explain the market values of German manufacturing firms. For the...

Regression models play a central role in epidemiology and clinical studies. In epidemiology the emphasis is typically either on determining whether a given risk factor affects the outcome of interest (adjusted for confounders), or on estimating a dose/response curve for a given factor, again...

The decomposition technique introduced by Blinder (1973) and Oaxaca (1973) is widely used to study outcome differences between groups. For example, the technique is commonly applied to the analysis of the gender wage gap. However, despite the procedure's frequent use, very little attention has...

Among survey statisticians Stata is increasingly recognized as one of the more powerful statistical software packages for the analysis of complex survey data. This paper will survey the capabilities of Stata to analyze complex survey data. We will briefly review and compare different methods for...

Berlecon Research is a German-based research company that analyzes the potential of new technologies within the IT, Internet and mobile industry in Germany and Europe. The analysis of survey data - typically deliverd by market research companies - are an integral part of the Berlecon activities....