It is often the case that the value of a number of somewhat similar units (e. g., automobiles of a certain general type) is divided by the number of units in order to form a unit value price and these unit value prices are compared over two periods in order to form a unit value price index. This...

The extent to which inflation has eroded the real purchasing power of public agricultural research budgets is poorly understood. Official Government research and development (R&D) statistics use the gross national product (GNP) deflator to express research expenditures in constant dollars,...