...Demography of Germany Concepts, Data, and Methods G. Rohwer U. P¨tter o Version 3 October 2003 Fakult¨t f¨r Sozialwissenschaft a u Ruhr-Universit¨t Bochum, GB 1 a 44780 Bochum goetz.rohwer@ruhr-uni-bochum.de ulrich.poetter@ruhr-uni-bochum.de Preface This text is an introduction to concepts and methods of demographic description and analysis. The substantial focus is on the demographic development of Germany, all data refer to this country. The main reason for this focus on a single country is that we want to show how the tools of demography can actually be used for the analysis of demographic problems. The text consists of two parts. Part I introduces the conceptual framework and explains basic statistical notions. This part also includes a short chapter that explains how we speak of “models” and why we do not make a sharp distinction between “describing” and “modeling” demographic processes. Then follows Part II that deals with data and methods. In the present version of the text, we almost exclusively discuss mortality and fertility data; migration is only mentioned in Chapter 6 and briefly considered in the context of a Leslie model at the end of the text. In addition to providing a general introduction to concepts of demography, the text also intends to show how to practically work with demographic data. We therefore extensively document all the data used and explain the statistical calculations in detail. In fact, most of these calculations are quite simple;...
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