In such an environment , people know that any movement of prices is related to changes in the « relative scarcity » of the individual goods and services as a 1 For a more detailed discussion , see W. Easterly and S. Fischer , « Inflation and the Poor » , World Bank Policy Research Working Paper No 2335 , 2000 .
Easterly , W. e S. Fischer ( 2000 ) , Inflation and the Poor , World Bank Policy Research Working Paper n. 2335 .