ISM Service Index published by the Institute for Supply Management represents results of surveying service managers, which serves the basis for conclusion about development tendencies of this branch. The value below “45-50” reveals negative tendencies. However, often the value is more influenced by psychological factors than real state of business. This is explained by constant speed of changes in the process of service consumption, whereas surges in index value take place exactly because of psychological factors. Such sharp fluctuations are considered in analysis of index value.
ISM service index is published monthly at 10:00 a.m EST (New York) on the day following to announcing of National Association of Purchasing Managers index (NAPM index). Its publication has a minor effect on the market. Growth of service index is favorable for national currency.
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