Discussion of learning from discrete-event simulation often takes the form of a hypothesis stating that involving clients in model building provides much of the learning necessary to aid their decisions. Whilst practitioners of simulation may intuitively agree with this hypothesis they are...

It is commonly accepted that modelling frameworks offer a powerful tool for modellers, researchers and decision makers, since they allow the management, re-use and integration of mathematical models from various disciplines and at different spatial and temporal scales. However, the actual...

In 1996, the Bureau of Economic Analysis (BEA) changed the method used to calculate measures of real GDP from a Laspeyres or Paasche index to a Fisher ideal index, also called a chain-weight index. Even though this is a significant change in approach and has resulted in extensive revisions of...

В настоящее время в Российской Федерации основой для построения системы бюджетирования на предприятиях являются электронные таблицы. Особого внимания в данном...

The great divide among data types in Stata is between numeric and string variables. Most of the time, which kind you want to use for particular variables is clear and unproblematic, but surprisingly often,users face difficulties in making the right decision or need to convert variables from one...