Month as a time unit in business

In a business context it is common to use ‘month’ as a time unit and compare a month to its predecessor or to the same month of last year. So it is important to at least keep in mind that months can be very differently seasonally biased. Most  business dynamics exhibit a week based seasonality with specifically strong weekdays. March 2011 for example has 23 work days – 4 more than the following month (holidays considered for Bavaria). This can have a considerable effect – especially when coincidentally leveraged by the usual volatility.

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Increase of Deaths Due to Viral Hepatitis in Germany 1998

absolute fatalities caused by viral hepatitis from 1991 until 2010The term ‘hepatitis’

The term Hepatitis is not referring to a specific disease or virus but generally refers to an inflammation of the liver (greek ‘hepar’). Responsible for such a condition can be viruses (not just the ones referred to as Hepatitis A to E), poisoning or mechanic traumas. In this article I am referring to viral hepatitis.

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