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Glossaries (6)


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PPP (purchasing power parity)

Purchasing power parity (PPP)

Consumer price index


Parity progression ratio

Cross-currency interest rate swaps

Forward rate agreements (FRAs)

Interest rate swaps

Multiple official exchange rates

Reference rate of interest

Swap - interest rate

Swaps - cross-currency interest rate

Taxes resulting from multiple exchange rates

Chain indices

Fisher's Ideal Index (price)

Fisher's Ideal Index (volume)

Index linked securities

Laspeyres price index

Laspeyres volume index

Paasche price index

Paasche volume index

Price index

Quantity index

Tör nqvist price index

Tör nqvist volume index

Unit value index

Volume index

Crude birth rate (2 definitions)

Crude death rate (2 definitions)

Crude divorce rate

Crude marriage rate

Foetal death rate

Infant Mortality Rate (2 definitions)

Maternal mortality rate

Neo-natal mortality rate


Total fertility rate

Age-specific fertility rates

Net migration rate

Net reproduction rate

Population growth rate

Rate of natural increase

Chain index

Index type

Quality index

Air Pollution Index (API)

Air Quality Index

AMA rate

Annual growth rate

Biodiversity Indices

Climate Index

Coliform Index

Erosion Index

Exchange rates

Greenhouse Climate Response Index

Growth rate

IMF based rate

Index of Sustainable Economic Welfare (ISEW)

Item response rate

Market rate

Non-response rate

Official rate

Price adjusted rate of exchange (PARE)

Principal rate

Refusal rate

Response rate

Soil Erosion Index

UN Operational rates

Unit response rate

Water Quality Index

Weighted average exchange rate

Poll taxes

Anadromous Species


Zero Population Growth (ZPG)



Base period (2 definitions)

Discounting (of natural assets)

Base year (BSYR)

Base year weights

Factor reversal test

Transitivity (in international comparisons)


Durable good

Forward foreign exchange contracts

Geometric depreciation

Net present value

Non-durable good

Chemical Oxygen Demand (COD)

Environmental Quality

Weight period

Reference period

Time reversal test


Exposure to risk, principle of

Currency swaps


Base weight

Statistical measure

Universal Soil Loss Equation

Mean age at child bearing

Own-children method

GDP at constant prices

Implicit price deflator

Export duties

Export subsidies

Export taxes

Neutral holding gain

Nominal holding gain (by non-residents)

Recurrent losses (from inventories)

Reserve assets

Flows in real terms

Real income


Process Weight

Appgar score

Environment Statistics

Foetal death ratio

Genuine Progress Indicator (GPI)

Life expectancy by sex


Total fertility

Nominal growth

Real growth

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United Nations Statistics Division