macro module 14-15
explain two reasons why some economist believe the CPI overstates the inflation rate
1. CPI measures cost of buying a given market basket. yet consumers typically alter the mix of goods and services they buy 2. innovation
what is the most widely used measure of inflation in the united states
consumer price index
what is the formula for calculating price index
cost of market basket in a given year / cost of market basket in base year
a process that brings the inflation rate down is called
disinflation
define GDP deflator
for a given year is 100 times the ratio of nominal GDP to real GDP in that year
unexpected inflation benefits borrowers and does what to lenders
hurts
what is the formula for calculating the inflation rate when using a price index
inflating rate = price index in year 2 - price index in year 1 / price index in year 1
inflation doesn't reduce purchasing power if
it causes an increase in nominal wages equivalent to the rate of inflation
when inflation rises quickly
lenders will be hurt an borrowers benefit
the purpose of indexing social security payments to the CPI is to
maintain the purchasing power of retirees
the threat of future inflation
makes people reluctant to loan money for long periods
what does indexed mean in regards to CPI
many payments are tied or indexed to the CPI the amount paid rises or falls when the CPI rises or falls
define price index
measures the cost of purchasing a given market basket in a given year
what is the consumer price index
measures the cost of the market basket of a typical urban american family
hyperinflation forcing pedro to change the price stickers on the books in his bookstore very frequently to keep up with the aggregate price level
menu costs
what likely happens when inflation occurs
people tend to make more transactions
what statistic is used to measure changes in the prices that firms pay for goods and services
producer price index
if money income remains the same while the average price level doubles then what happens
real income will fall
unanticipated inflation
reduces the value of debt owed by the borrowers
define nominal interest rate
the rate actually paid for a loan
the costs arising from the way inflation makes money a less reliable unit of measurements are known as
unit of account costs
what is commonly used to measure the cost of living
consumer price index
what is a market basket
a hypothetical set of consumer purchases of goods and services
define aggregate price level
a measure of the overall level of prices in the economy
the consumer price index reflects the
changes in the price of goods and services typically purchased by consumers
deflation is a
decrease in the average level of prices
hyperinflation forcing somebody to visit their bank frequently to keep their cash holding to a minimum
shoe leather cost
high rates of inflation often result in people spending inordinate amounts of time trying to make transactions and finding ways to keep the real value of their money from decreasing this is an example of
shoe leather costs
the inflation or deflation rate is
the change in a price index divided by the initial value of the index
unit of account costs refer to
the loss of reliability of money as a relative unit of measurement
formula for real interest rate
the nominal interest rate minus the rate of inflation
the aggregate price level is
the overall level of prices in the economy
inflation can be measured by
the percentage change in the CPI