1.   Alternatively, the prices could be adjusted somehow so that they met total costs.

2.   It would be surprising for importers to voluntarily adjust their prices upwards.

3.   And if shortages or surpluses are general across the market this will be immediately apparent and indicate to GEMMs a need to adjust quoted prices.

4.   If they did not adjust prices immediately then market activity would bring about the changes.

5.   Should a change be initiated in rates downwards, then prices would be adjusted upwards by the Bank of England.

6.   And some major insurers have started adjusting prices based on the safety performance of vehicles.

7.   As investor demand for the shares shifts, each of the market makers adjusts its prices in response.

8.   Adjusting prices for inflation makes that toll less apparent.

9.   Air-fare prices can fluctuate from day to day, largely because airlines use sophisticated yield-management techniques to track sales and adjust prices.