14 INFLATION

14 INFLATION - SECTION 14: INFLATION INFLATION A sustained...

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SECTION 14: INFLATION
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INFLATION A sustained increase in the average level of prices Not an increase in price of a single specific item
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TWO MAIN PRICE INDEXES CONSUMER PRICE INDEX (CPI) Based on prices of things consumers buy Includes used goods Includes imports Does not include raw materials (steel, aluminum, oil, wheat, etc.) Good indicator of changes in cost of living for consumers
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GDP DEFLATOR Includes prices of all new goods and services produced in the U.S. Includes prices of raw materials Does not include prices of used goods or imports
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HOW TO CREATE A PRICE INDEX Create a “typical” MARKET BASKET Find cost of basket in a BASE YEAR Find cost of same basket in CURRENT YEAR The INDEX compares the current cost to the cost in the base year
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CPI EXAMPLE: Base year = 1983 CPI for 2001 = 177.1 Interpretation: What cost $100 in 1983 would cost $177.10 in 2001
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CALCULATION OF THE INDEX CPI = (Cost of market basket in current year / cost same market basket in base year) x 100 EXAMPLE: Basket cost = $400 in 1983 Basket cost = $708.40 in 2001 CPI in 1983 = ($400/$400) x 100 = 100 CPI in 2001 = ($708.40/$400) x 100 = 177.1
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CALCULATION OF THE INFLATION RATE Inflation rate = Rate of growth of price index = [(New value - old value) / old value] x 100% CPI in 1999 = 168 CPI in 2000 = 174 Inflation rate for 2000 = [(174 - 168)/168] x 100% = [6/168] x 100% = .034 x 100% = 3.4%
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A PRICE INCREASE DOES NOT CAUSE AN OVERALL LOSS Increased payment by buyer = Increased income for seller Redistribution of income from the buyer to the seller
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INFLATION AND STANDARD OF LIVING If wage increase = Inflation rate Then, standard of living = Constant If wage increase > Inflation rate Then, standard of living improves If wage increase < Inflation rate Then, standard of living decreases
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HARMFUL EFFECTS OF VARIABLE INFLATION Uncertainty inhibits long term planning and long term investment More uncertainty implies greater risk
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When we make decisions, we take into account our expectations about the future inflation rate.
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This note was uploaded on 04/07/2008 for the course ECON 0110 taught by Professor Kenkel during the Spring '08 term at Pittsburgh.

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14 INFLATION - SECTION 14: INFLATION INFLATION A sustained...

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