Inflation Flashcards

(44 cards)

1
Q

what is inflation

A
  • a sustained increase in the average price level
  • Fall in purchasing power of money/currency
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2
Q

what is disinflation

A

when prices are rising, but at a slower rate than before

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3
Q

what is deflation

A

a sustained fall in the average price level

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4
Q

how to work out index number

A

raw number / base year raw number x 100

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5
Q

how to work out annual inflation rate

A

work out percentage change of index numbers

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6
Q

percentage change equation

A

change divided by original x 100

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7
Q

what is the RPI

A
  • alternative measure of inflation
  • same as the CPI, but housing costs are included
  • also calculated using an arithmetic mean, whilst CPU uses geometric mean, so the RPI will give higher measures
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8
Q

problems with using CPI

A

πŸ“¦ 1. Basket doesn’t reflect everyone’s spending habits
β†’ CPI is based on an average basket of goods and services
β†’ But not all households buy the same things (e.g. students vs pensioners)
β†’ So inflation experienced by different groups may vary
β†’ This reduces the accuracy of CPI for policy targeting

πŸ•°οΈ 2. Slow to reflect changes in consumption patterns
β†’ Consumer habits evolve over time (e.g. streaming over DVDs)
β†’ But CPI baskets are only updated annually
β†’ This time lag can cause the index to misrepresent real inflation
β†’ Especially during rapid tech or lifestyle changes

πŸ›οΈ 3. Doesn’t account for quality improvements
β†’ Prices may rise because products improve (e.g. faster phones, safer cars)
β†’ CPI records this as inflation, even if value-for-money rises
β†’ This leads to an overestimation of β€œreal” inflation
β†’ Especially problematic for long-term trend analysis

🌍 4. Excludes housing costs (in UK CPI)
β†’ CPI excludes major costs like mortgage interest or house prices
β†’ Housing is a significant part of household spending
β†’ This omission means CPI can underestimate cost-of-living pressures
β†’ Leading to misleading conclusions in high house-price economies

πŸ’‘ 5. Substitution bias
β†’ If the price of one good rises, consumers might switch to cheaper alternatives
β†’ But CPI assumes a fixed basket of goods
β†’ This fails to reflect how consumers really respond to price changes
β†’ Causing CPI to overstate inflation

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9
Q

what is core CPI

A

the CPI minus price inelastic goods like food, energy

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10
Q

what is PPI(producer rpice index) and when would we use it

A

measures the average change over time in the selling prices received by domestic producers for their output

if we think that changes in energy prices would affect CPI in the future

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11
Q

when does demand pull inflation occur

A

when demand shifts to the right, increase in economic growth but increase in demand pull inflationary pressure

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12
Q

why does demand pull inflationary pressure occur

A
  • when AD shifts to the right, there is greater pressure on existing factors of production to produce more output, resources/supply of them are becoming scarcer, so prices of these scarce resources are going up
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13
Q

things that’ll shift AD right

A
  • decrease IR
  • decrease income or corporation tax
  • increased consumer business confidence
  • increased govt spending
  • weak exchange rate
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14
Q

when does cost push inflation occur

A

when SRAS shifts to the left

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15
Q

why does cost push inflation occur

A
  • leftward shifts of SRAS mean that cost of production for firms will increase, so they’ll be passing those higher costs onto consumers in the form of higher prices
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16
Q

when does SRAS shift to the left

A
  • increase raw material prices
  • increased wages
  • increased business taxes like VAT
  • increased price of imported raw materials due to a weaker exchange rate
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17
Q

costs of high inflation

A
  1. Erodes Purchasing Power β†’ High inflation reduces the real value of money β†’ Consumers can buy fewer goods/services with the same income β†’ This reduces real incomes, especially harming those on fixed incomes β†’ Leading to lower living standards.
  2. Creates Uncertainty β†’
    Firms and consumers struggle to plan for the future β†’ Investment and long-term contracts become riskier β†’ Reduced capital investment and consumer confidence β†’ Slower long-run economic growth.
  3. Harms International Competitiveness β†’
    If UK inflation is higher than trading partners β†’ UK exports become relatively more expensive β†’ Demand for UK goods falls while imports rise β†’ Worsening of the current account balance.
  4. Menu Costs β†’
    Firms must constantly change prices due to frequent inflation β†’ Reprinting menus, updating systems, and re-labelling β†’ Increases operational costs and wastes time β†’ Reduces firm efficiency.
  5. Shoe Leather Costs β†’
    With inflation, people try to avoid holding cash β†’ They make more frequent trips to the bank to withdraw money β†’ Wastes time and increases inconvenience β†’ Reduces productivity.
  6. Income Redistribution Problems β†’
    Inflation can redistribute income unfairly β†’ Borrowers gain as they repay with money worth less β†’ Savers and those on fixed incomes lose out β†’ Increased inequality and reduced trust in the economy.
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18
Q

benefits on inflation

A
  1. Moderate Inflation Can Encourage Spending
    - Households and firms expect prices to rise in the future
    - So they bring forward consumption and investment
    - This increases aggregate demand and economic growth
    - Helps reduce unemployment in the short run

πŸ’· Erodes Real Value of Debt
- Inflation reduces the real value of fixed repayments
- Governments and individuals with high debt benefit
- Encourages borrowing and investment
- Helps reduce the debt-to-GDP ratio over time

🧰 Provides Monetary Policy Flexibility
- Some inflation allows central banks to use interest rates more effectively
- If inflation is too low or negative, central banks have less room to cut rates
- Moderate inflation avoids the risk of deflation
- Helps maintain price stability and growth

πŸ“ˆ Indicates Growing Economy
- Rising prices may signal increased demand in the economy
- This can incentivise businesses to invest and expand
- Leads to job creation and increased incomes
- Supports long-term development

19
Q

evaluation points on the costs and benefits of inflation

A
  • rate - in low and stable inflation, tends to be more benefits than costs vice versa
  • cause - demand pull inflation is more favourable than cost push - with demand pull, theres higher growth, lower unemployment, but a cost push, higher unemployment and lower growth, demand pull also easier to fix with contractionary demand side policies
  • duration - long term high rates of inflation can become anticipated and spiral out of control
20
Q

what is demand side deflation and features of it

A
  • AD shifts left, reduction in price level, lower economic growth, we assume that the deflation could be long term and anticipated,
21
Q

features of supply side deflation

A

πŸ”§ 1. Decrease in production costs
Improvement in technology or a fall in input prices (e.g., energy, raw materials) β†’ reduces production costs β†’ firms can produce more at lower prices β†’ leads to deflationary pressure as goods become cheaper

πŸ›  2. Increased productivity
Investment in capital or skills training β†’ improves efficiency and productivity β†’ more output can be produced with the same amount of inputs β†’ reduces costs per unit, contributing to deflation as prices fall

🌍 3. Expansion of competition
Deregulation or opening up markets to foreign competition β†’ more firms enter the market β†’ increased competition puts downward pressure on prices β†’ leads to deflation as firms lower prices to stay competitive

πŸ’Ό 4. Falling wages or wage restraint
Reduction in union power or lower minimum wage β†’ lower wage growth β†’ firms face lower costs β†’ could reduce inflationary pressure or lead to deflation if wages fall significantly

πŸ’Έ 5. Exchange rate appreciation (positive for supply-side)
Currency appreciates due to stronger investment or monetary policy β†’ imports become cheaper β†’ firms’ input costs decrease β†’ prices of domestically produced goods and services fall, contributing to deflation

🏭 6. Technological advancements or innovation
Adoption of new technologies (automation, AI, etc.) β†’ lowers cost of production β†’ firms pass on savings to consumers through lower prices β†’ results in deflationary pressure as supply increases

22
Q

why is anticipated deflation bad

A
  1. deflationary spiral
    - rational consumers may delay spending, why buy now when prices will decrease more later?, but this is bad for the economy because consumption will fall, causing a fall in AD, which would encourage firms to reduce prices further, making deflation worse
  • when AD falls, there is lower growth and higher unemployment
  • real interest rates will always be positive because deflation is negative, so we will always be adding to the nominal rate, higher IR increases MPS, lower consumption, lower AD, higher deflation
  • increases real value of debt - prices falling means that profits and incomes will also fall, as firms will be making less revenue and debt is always fixed, and lower incomes make it harder to pay off debts
23
Q

what are real interest rates

A

nominal interest rates - inflation rate

24
Q

benefits of deflation

A

πŸ›οΈ 1. Increased purchasing power of money
β†’ Falling prices mean consumers can buy more with the same income
β†’ Real incomes rise, especially for those on fixed incomes or pensions
β†’ Consumption may increase, particularly for essential goods
β†’ Higher living standards and improved real welfare

πŸ“‰ 2. Incentives to cut costs and innovate
β†’ Firms experience price pressure in deflationary environments
β†’ To maintain profit margins, they invest in efficiency and innovation
β†’ This can lead to long-term productivity gains
β†’ Supports international competitiveness and future growth

πŸ‡¬πŸ‡§ 3. Strengthens the currency
β†’ Lower prices often reflect a stronger currency or rising productivity
β†’ Imports become cheaper, reducing cost-push inflation
β†’ Improves current account position if exports remain stable
β†’ Can increase consumer confidence in the economy

🏦 4. Low or benign deflation may follow positive supply-side shocks
β†’ For example, technological improvements reduce costs of production
β†’ Leads to lower prices but also higher output
β†’ Unlike demand-deficient deflation, this is growth-friendly
β†’ Associated with rising real GDP and falling unemployment
Narrows the gap between rich and poor. As deflation causes a decrease in the value of financial assets, it becomes very hard for citizens to accumulate wealth. This will hit many rich people who tend to hold more wealth-building assets such as apartments, houses, office buildings, land, businesses, etc. as compared to poor people.

production workers will not be asking for higher wages because now they will be able to buy more products with the same amount of money, as their money is gaining value. Deflation will lead to lower Variable Costs (VC) that decrease the cost of production, or Cost of Goods Sold (COGS), therefore increase Gross Profit.

25
what policies could be used to bring down demand pull inflation
- contractionary demand side policies(monetary or fiscal), eg a cut in govt spending or an increase in tax
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evaluation points for policies which could be used to target inflation
🏦 1. Monetary Policy May Hurt Growth (Interest Rate Increases) Raising interest rates β†’ Reduces consumption & investment β†’ Slower economic growth If growth falls too much β†’ Could cause higher unemployment Especially problematic if inflation is cost-push (e.g. oil shock) β†’ Interest rates don’t tackle the root cause Monetary policy may control inflation, but at the cost of rising spare capacity and social hardship πŸ“‰ 2. The Phillips Curve Trade-Off To reduce inflation β†’ Government/central bank applies contractionary policy β†’ Unemployment rises Shown by movement along the short-run Phillips Curve β†’ Lower inflation comes with higher unemployment This can be politically unpopular & economically damaging β†’ Especially if workers lose bargaining power In long run, expectations may adjust β†’ Curve becomes vertical β†’ Reduces the effectiveness of this trade-off πŸ“Š 3. Fiscal Policy Takes Time & May Worsen Deficit Using contractionary fiscal policy (higher taxes/lower gov spending) β†’ Reduces AD β†’ Inflationary pressure falls However, takes time to implement due to political delays May reduce public services & welfare spending β†’ Hurts long-term development Also risks worsening budget deficit if tax revenues fall due to slower growth πŸ” 4. Supply-Side Policies Take Time to Work Policies to increase productivity (e.g. investment in skills, deregulation) β†’ Increase AS β†’ Reduces inflationary pressure However, these policies work in the long run, not useful for current inflation Costly to implement and may not guarantee results Risk of worsening inequality or reducing workers’ protections if deregulation is overused
27
why is monetary policy more suitable to target inflation
the monetary policy transmission mechanism has got a variety of avenues where interest rates changes can feed through into the economy
28
what are hot money inflows and how can they lead to increased growth/development
savings that chase the interest rate, eg if interest rates are relatively high in one country, savers from one country will move their money to that country, increasing the demand of the currency in the country they moved the money to Hot money inflows enter the country β†’ Increase in foreign reserves & financial capital in domestic banks. Banks have more funds to lend . Increases access to investment finance for firms ⬇️ Higher investment leads to capital accumulation .Boosts the capital-output ratio (more machines, factories, etc.) .Increases productive capacity of the economy, Higher economic growth With sustained growth β†’ Higher incomes β†’ More savings in the economy ,Feeds back into the Harrod-Domar cycle (growth depends on savings and capital efficiency) , leads to long-term development outcomes improve (jobs, infrastructure, tax revenue)
29
how to reduce cost push inflation (shifts in SRAS)
🏭 1. Subsidies to Firms ➑️ Government provides subsidies to firms facing high costs ➑️ Helps lower production costs (e.g. for raw materials or energy) ➑️ Firms can maintain or reduce prices despite higher input costs ➑️ Leads to a reduction in cost-push inflationary pressures πŸ“‰ 2. Reducing Indirect Taxes (e.g. VAT) ➑️ Cutting indirect taxes reduces final prices of goods/services ➑️ Lowers the price level directly, especially for essentials ➑️ Improves real disposable income and maintains purchasing power ➑️ Helps control inflation driven by tax-induced cost increases ⚑ 3. Improving Supply-Side Efficiency ➑️ Investment in productivity and technology reduces unit costs ➑️ Firms become more competitive and absorb higher input costs ➑️ Less need to pass on costs to consumers via higher prices ➑️ Mitigates cost-push inflation in the long run πŸ”“ 4. Deregulation ➑️ Removing excessive red tape lowers compliance and operating costs ➑️ Especially in sectors like energy, transport, and telecoms ➑️ Can lead to lower prices and less inflationary pressure ➑️ Encourages more firms to enter and compete on price 🌍 5. Exchange Rate Appreciation ➑️ Stronger domestic currency makes imports cheaper ➑️ Reduces costs of imported raw materials and goods ➑️ Helps firms cut costs and keeps consumer prices low ➑️ Can reduce imported cost-push inflation
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evaluation points for reducing cost push inflation
- increasing subsidies or cutting VAT has a significant government cost and may worsen govt finances - intervention in forex not very smart as many countries have free floating exchange rates - cost push inflation is usually short term, eg costs of raw materials dont usually stay high for a long time, don’t need to worry abt them as much - can’t really do anything abt them, so shouldn’t really worry
31
how to reduce high inflation rates
🏦 1. Contractionary Monetary Policy The central bank increases interest rates β†’ cost of borrowing rises and reward for saving increases β†’ consumption and investment fall β†’ aggregate demand (AD) decreases β†’ inflationary pressure falls πŸ’Ό 2. Contractionary Fiscal Policy Government reduces spending or increases taxes β†’ households and firms have less disposable income β†’ consumption and investment fall β†’ AD falls β†’ reducing demand-pull inflation πŸ“ˆ 3. Supply-Side Policies Government invests in infrastructure or education to improve productivity β†’ long-run aggregate supply (LRAS) shifts right β†’ greater capacity in the economy absorbs demand without increasing prices β†’ inflationary pressures ease in the long term ⏳ πŸ’· 4. Exchange Rate Appreciation (if using a managed or fixed rate) Central bank increases interest rates to attract hot money β†’ currency appreciates β†’ import prices fall β†’ imported cost-push inflation decreases β†’ stronger currency also dampens export demand β†’ lower AD 🏭 5. Price and Income Policies (less commonly used) Wage and price controls are imposed β†’ firms are restricted from raising prices or wages β†’ temporary freeze in inflationary expectations β†’ but risk of shortages or reduced investment -
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evaluation for helping high long term inflation rates
1). no guarantee of success 2) costs - risk of wasteful spending/high oppurtunity cost 3) negative stakeholder impact 4) time lags - depends on type of inflation - rate of inflation, if inflation is around 2% we dont need to do anything
33
what is the price level
the average of the current prices of goods and services in the economy
34
explain the process of using the CPI
- households take the household expenditure survey - A representative basket of goods and services used by average households is recorded - Items are weighted according to proportion of spending on each product - inflation rate measures change in average prices in an economy over a year
35
when the pound gets weaker, whys there increased inflation
- A weaker pound makes imports more expensive since it takes more pounds to purchase the same amount of foreign currency. This increases the cost of imported goods and raw materials - A weaker pound makes exports cheaper for foreign buyers, leading to increased demand for British goods and services abroad. This rise in demand can put pressure on domestic production capacity, leading to increased prices.
36
Interest rates and inflation
- interest rates usually increase when theres high inflation to incentivise saving - as interest rates rise,debt holders repayments increase - leaves them w lower disposable income
37
impacts of deflationary spiral
- As consumers delay spending, overall demand for goods and services falls. - With reduced consumption, businesses experience lower sales and profits, leading to cuts in production, wages, and employment(derived demand). Investment spending also declines, as firms hold back on expanding in a low-demand environment - Lower consumption and investment reduce AD, potentially triggering further deflation and economic stagnation, as businesses face ongoing demand-side pressure. - Central bank cuts interest rates to stimulate economy β†’ But if inflation is negative, real interest rates may still be high β†’ Monetary policy becomes ineffective β†’ Economy remains stuck in low growth
38
disadvantages of deflation
πŸ•’ Delayed Consumption β†’ Deflation leads to falling prices β†’ Consumers expect goods to be cheaper in the future β†’ They delay spending and consumption today β†’ This reduces aggregate demand, worsening the slowdown πŸ“‰ Lower Aggregate Demand (AD) β†’ Falling prices reduce consumer and business confidence β†’ Consumers cut back on spending; firms delay investment β†’ Aggregate demand falls, causing slower economic growth β†’ This can increase cyclical unemployment 🏭 Lower Supply Orders β†’ Businesses anticipate weaker demand due to deflation β†’ They reduce production and scale back on supply chain orders β†’ This impacts suppliers and upstream firms β†’ Negative multiplier effects ripple through the economy πŸ’Έ Higher Real Value of Debt β†’ Deflation increases the real (inflation-adjusted) value of debt β†’ Households and firms struggle more with repayments β†’ Consumption and investment fall as income is diverted to debt servicing β†’ Risk of defaults increases, stressing the financial system 🏚️ Lower Value of Fixed Assets β†’ As general price levels fall, asset values (e.g., houses, factories) also fall β†’ Firms and individuals see a fall in their wealth β†’ This leads to a negative wealth effect, reducing confidence and spending further β†’ Could also trigger balance sheet issues for businesses πŸ“‰ Less Investment β†’ Falling prices reduce firms’ expected future revenues and profits β†’ This discourages capital investment β†’ Productivity growth stalls, damaging long-term economic potential β†’ Could lead to a deflationary spiral if confidence collapses further
39
impacts of inflation on conumers
πŸ’Έ 1. Fall in Real Incomes If nominal wages don’t rise as fast as inflation β†’ Real purchasing power of consumers declines β†’ Households can afford fewer goods and services β†’ Reduction in living standards, especially for low-income families πŸ›οΈ 2. Menu Costs and Price Confusion Firms frequently change prices to keep up with inflation β†’ Consumers face price uncertainty and lose track of value β†’ Makes it harder to make informed spending choices β†’ May reduce consumption and economic confidence πŸ’³ 3. Regressive Impact on the Poor Inflation often hits essential goods (food, fuel) hardest β†’ Poorer households spend a larger share of income on necessities β†’ Inflation disproportionately affects their wellbeing β†’ Worsens income inequality 🧠 4. Lower Confidence and Future Planning High or unpredictable inflation β†’ Consumers find it harder to budget or plan savings β†’ May save more out of caution and reduce current spending β†’ Lower consumer confidence β†’ Fall in aggregate demand
40
impacts of inflation on producers
πŸ“‰ 1. Increased Uncertainty and Reduced Investment High or volatile inflation β†’ Firms can’t predict future costs or revenues accurately β†’ Increases business uncertainty β†’ Reduces willingness to invest in long-term projects β†’ Slows down capital formation and productivity growth πŸ’Έ 2. Rising Input Costs Inflation increases prices of raw materials, energy, and wages β†’ Firms face higher production costs β†’ Profit margins shrink if they can’t pass costs onto consumers β†’ May lead to layoffs or reduced output 🏷️ 3. Menu Costs Firms must frequently change prices to keep up with inflation β†’ Involves costs like reprinting menus, labels, updating websites β†’ These admin costs reduce profit β†’ Particularly burdensome for small businesses 🌍 4. Loss of International Competitiveness Domestic inflation rises faster than trading partners’ β†’ Export prices become relatively more expensive β†’ Demand for exports may fall β†’ Firms lose market share abroad β†’ Negative impact on trade balance and output
41
impacts of inflation on govt
πŸ’° 1. Fiscal Drag (Bracket Creep) Inflation pushes nominal incomes into higher tax brackets β†’ People pay more income tax despite no real income gain β†’ Increases government tax revenues β†’ But may reduce incentives to work/spend 🧾 2. Increased Welfare Spending Inflation raises cost of living β†’ More pressure to increase welfare payments like pensions, Universal Credit β†’ Increases government expenditure β†’ Worsens budget deficit if tax revenues don’t rise equally πŸ’΅ 3. Reduced Real Value of Government Debt Inflation erodes the real value of outstanding government bonds β†’ Easier for government to pay off past borrowing β†’ Good for managing high national debt β†’ But only if interest rates remain low πŸ“‰ 4. Pressure on Monetary Policy & Credibility Persistent inflation β†’ Government may face political pressure to respond (e.g. support BoE tightening policy) β†’ Can reduce public trust in government’s ability to manage the economy β†’ Political instability may rise
42
disadvantages of **supply side** deflation
πŸ’Ό 1. Unemployment increases Firms reduce prices to stay competitive β†’ lower profit margins β†’ some firms may reduce output or close down β†’ leading to higher unemployment, especially in sectors where demand is price elastic πŸ’Έ 2. Falling wages β†’ Reduced consumer spending Wage restraint or cuts (due to lower inflation expectations) β†’ lower disposable income for workers β†’ reduced consumption demand β†’ leads to lower overall economic activity and less inflationary pressure Impact on businesses’ profitability Supply-side deflation could lead to a "race to the bottom" β†’ firms cut prices in a competitive environment β†’ may harm long-term profitability β†’ especially for firms that cannot lower costs as effectively, reducing their sustainability
43
causes of deflation
Demand-side causes of deflation πŸ’° 1. Decrease in aggregate demand Falling consumer confidence β†’ reduced household spending β†’ lower overall demand for goods and services β†’ leads to downward pressure on prices as firms struggle to sell their goods πŸ“‰ 2. Contractionary fiscal policy Government reduces public spending or increases taxes β†’ disposable income falls β†’ consumption and investment decrease β†’ aggregate demand drops, resulting in lower price levels 🏦 3. Increase in interest rates Central bank raises interest rates β†’ cost of borrowing rises β†’ consumers and businesses borrow less β†’ reduces spending and investment β†’ aggregate demand falls, contributing to deflation 🏚 4. Rise in unemployment Higher unemployment rates β†’ reduced household income β†’ consumers cut back on spending β†’ lower demand for goods and services β†’ firms reduce prices to stimulate demand, causing deflation πŸ“Š 5. Global economic slowdown Weak economic conditions globally β†’ reduced demand for exports β†’ lower overall demand in the domestic economy β†’ contributes to deflation as businesses lower prices to maintain competitiveness **Supply-side causes of deflation** πŸ”§ 1. Technological advancements Improvements in technology β†’ productivity increases β†’ firms can produce more with fewer resources β†’ drives down production costs β†’ businesses lower prices, contributing to deflation πŸ— 2. Falling production costs Decrease in the price of raw materials or energy β†’ firms’ input costs fall β†’ they can produce goods more cheaply β†’ firms may lower their prices, causing deflation πŸ’Ό 3. Increased competition Deregulation or entry of foreign firms into the market β†’ more firms competing for market share β†’ firms lower their prices to attract customers β†’ leads to deflationary pressure in the market πŸ›  4. Wage restraint or cuts Government or firms enforce wage cuts or restrain wage growth β†’ reduces costs for businesses β†’ firms may pass on these savings to consumers through lower prices β†’ causing deflation πŸ’Έ 5. Strong currency Currency appreciation (e.g., due to high foreign investment or interest rate policies) β†’ reduces the cost of imports β†’ cheaper imported goods put downward pressure on domestic prices β†’ contributing to deflation
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