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Zahlen und Statistiken

Zahlen und Statistiken

Zahlen über die Schweizer Finanzplätze werden oft zitiert und selten erklärt. Die Beiträge dieser Reihe stellen amtliche Zahlen zu Banken, Rohstoffhandel, verwalteten Vermögen und den Finanzplätzen vor, nennen ihre Quellen und erklären, was sie messen und was sie ausklammern. Sie zeigen etwa, weshalb zwei amtliche Statistiken zum Schweizer Rohstoffhandel voneinander abweichen, wie sich die Zahl der Banken in den letzten Jahrzehnten verändert hat und wie sich die Finanzplätze untereinander vergleichen lassen, damit die Leser die Zahlen in ihren eigenen Analysen und Entscheidungen richtig verwenden können.

Numbers with sources

Figures about the Swiss financial centres are often quoted without their source, and different statistics on the same subject can differ by a factor of three. Anyone who uses figures in a business plan, an investment decision or a negotiation should know what they measure.

The differences often have simple causes. One statistic counts turnover, another value added, a third the number of employees or companies, and some include transit trade while others follow only the goods that physically cross the Swiss border. Surveys by industry associations, data from the Swiss National Bank and figures from the Federal Statistical Office each serve their own purpose.

Reading statistics with care

Before relying on a figure, a reader should ask who published it, which year it refers to, what exactly is counted and whether the method has changed over time. A number that appears in many publications is not necessarily more reliable, because it may simply have been copied from a single original source without anyone checking it again.

Careful use of figures also has practical value in dealings with Swiss counterparties. Banks, investors and authorities tend to check the numbers they are shown, and a business plan that cites official sources and explains its assumptions is taken more seriously than one that relies on round figures from press reports or marketing material.

In this section

The articles in this series present official figures on the Geneva financial centre, on Swiss commodity trading and on the consolidation of the private banks, name their sources and explain why the numbers differ.