Example sentences of "and [noun pl] over [art] period " in BNC.
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1 | Stoll and Whaley ( 199Ob ) analysed returns ( logarithm of the price relative ) over five-minute intervals for the S&P500 and MMI index futures and indices over the period from 1982 to 1987 . |
2 | Of course , one of the main difficulties in this kind of research lies in the collection of accurate information about events and experiences over a period of twenty years or more . |
3 | A programme of lectures , seminars and visits over a period of time is most likely to meet that need . |
4 | Will the attack on democracy be as outrageous as killing all blue-eyed babies , or will it be a more insidious erosion of rights and liberties over a period of time ? |
5 | The state of the market can be ascertained by visiting a number of shops and auctions over the period of a few weeks , and carefully noting the prices . |