base period

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base period

n
(Statistics) statistics a neutral period used as a standard for comparison in constructing an index to express a variable factor: 100 is usually taken as the index number for the variable in the base period

base period

That period of time for which factors were determined for use in current planning and programming.
References in periodicals archive ?
The SESFOD survey is conducted four times a year and covers changes in credit terms and conditions over the three-month reference periods ending in February, May, August and November.
Reference periods are also used to aid communication of the unusual (or not) nature of an observation, such as an increase in global temperatures, or of a particular event such as an extreme flood or heatwave.
The purpose of this research is to explore the longer term effects of stock repurchase programs by examining changes in market capitalization over various reference periods.
It confirmed that all producers in England who have claimed any support payments for land and/or animals during the reference periods 2000-2002 will shortly receive an Information Statement (Form SP1) giving details of the historical element of this Single Farm Payment.
Dole has followed the many attempts to agree on a license allocation system based on historic reference periods and believes that there is no practical and legal way to reach an agreement on such a system.
In several sectors (farming, telecommunications, fisheries, transport), derogations from reference periods go beyond the scope provided by the directive.
Release 3 will therefore include three reference periods and the following health service areas: Home Health, Ambulance (Emergency, Non-Emergency, Emergency & Non-Emergency), Independent Diagnostic Testing Facilities (Part A and Part B), Skilled Nursing Facilities, and Hospice.
Estonia argues, like other candidates, that the Commission has chosen reference periods when production was abnormally low.
The survey is conducted four times a year, covering changes in credit terms and conditions over the three-month reference periods ending in February, May, August and November.
From the September quarter 2012, the ABS harmonised the index reference periods for the Consumer Price Index (CPI) series.
The trade unions also wish to leave intact the reference period for calculating weekly working time.
Credit terms offered to counterparties in both the provision of finance that is collateralised by euro-denominated securities and over-the-counter (OTC) derivatives markets became somewhat less favourable for hedge funds and banks over the three-month reference period ending in August 2016.

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