Example sentences of "[noun] over a given period " in BNC.

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1 Payment of social security contributions over a given period ‘ entitles ’ the payer to a benefit , ( though only until the law is changed ! ) .
2 In this case , the researcher asks the subjects of the research to keep a detailed diary over a given period .
3 We must therefore confront the empirical problem of separating out classical from Keynesian influences in order to answer a very simple question : is the unemployment which is observed in a particular economy over a given period of time predominantly classical or predominantly Keynesian in origin ?
4 The ecological significance of these precipitation figures in terms of soil moisture may be judged by relating them to the amount of moisture lost through evaporation and transpiration over a given period .
5 There are two key measures : ( 1 ) the incidence rate ( the number of new cases over a given period , usually a year ) and ( 2 ) the prevalence rate ( the number of cases/persons affected in the population at a particular moment in time ) .
6 National expenditure is the actual amount of money spent on goods and services over a given period of time , whereas aggregate demand is the total value that households , firms , the government and foreigners plan to spend out of their respective incomes over that time period : in other words , it is the total amount they are willing and able to spend .
7 Whilst it is intuitively obvious that the utility of most things declines over time , it is more difficult to identify the extent of that decline over a given period .
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