“Inflation- Importance in Economies, Stock Market & Complete analysis”

Inflation rate in details

Inflation, we regularly heard this term in the news might be quarterly wise or yearly astute. In Coronavirus Pandemic this is quite possibly the most utilized term for financiers, Investors, and news media. So we thought to work on this term for you and a short analysis for better understanding.

First thing first, what is Inflation?

Inflation is the decay or decline of purchasing power of a given currency over time. In basic words, inflation is an overall ascent (rise) in the value level of an economy after some time. It can be for your daily necessaries such as food, transport, clothing, milk, etc.

While it is not difficult to quantify the value changes of individual items over the long haul, human requirements expand much past a couple of such items. People need a major and differentiated arrangement of items just as a large group of administrations for carrying on with an agreeable life. They incorporate items like food grains, metal, and fuel, utilities like power and transportation, and administrations like medical care, diversion, and work.


Rapid increases in the amount of cash or in the general cash supply have happened in various social orders throughout history, changing with various types of cash utilized. The inflation hypothesis was created in the last part of the 1970s and mid-80s, with eminent commitments by a few theoretical physicists. However, before that likewise, history has seen inflation, regardless of whether in Ancient China or Medieval Egypt.

China presented the act of printing paper money to make fiat money on old occasions. During the Mongol Yuan Dynasty, the public authority went through a lot of cash battling expensive conflicts and responded by printing more cash, prompting expansion.

Types & Causes of Inflation?

Till now we comprehended Inflation implies there is a supported expansion in the value level. A sustained increase in the price level. cash supply can be expanded by the financial specialists either by printing and parting with more cash to the people, by lawfully cheapening the lawful delicate money, more (most generally) by advancing new cash into reality as hold account credits through the financial framework by buying government securities from banks on the optional market. In all such instances of cash supply increment, the cash loses its buying power. To understand the causes, we need to see what the types of inflation are.

Demand-Pull inflation-

This is the point at which the requests of merchandise or administrations surpass the creation limit. On the off chance that the economy is at or near full business, an increment in demand prompts an expansion in the value level. As firms arrive at the full limit, they react by setting up costs prompting expansion. This expands demand and prompts value/price rises.

   For example, suppose you maintain a lodging business, where you have a limited room, an aggregate of 40. Furthermore, you charge $70 per room. Assume you are practically full, there are no rooms left or possibly only a couple of, what you can do is that you can charge extra for that room as per the demand for your inn. Suppose $90. This is Demand-Pull Inflation.

Cost-Push Inflation-

Cost-push inflation is a consequence of the increment in costs working through the creative interaction inputs.

   To comprehend this we will straightforwardly give you the model, suppose you utilize a ‘Mobile’ which contains a lithium battery. At the point when you bought it might costs you $500. Due to some reason, there is an unexpected spike in Lithium Batteries, presently this mobile will cost $550. This is Cost-Push Inflation.

Built-in Inflation-

This is the consequence of the previous events, identified with versatile assumptions, the possibility that individuals expect current inflation rates to proceed later on. Basically when costs rise compensation rise as well, to keep up the living expenses.

Price Indices CPI, WPI & PPI-

Consumer Price Index (CPI)

Consumer Price Index (CPI) gets determined month to month dependent on the progressions in costs customers pay for labor and products. The CPI utilizes a “bushel of products” approach, which means it tracks changes in the expenses of eight significant classifications individuals burn through cash on food and refreshments, lodging (Housing), clothing, transportation, schooling (education), and correspondence (Communication), diversion, clinical consideration, and different labor and products.

Changes in the CPI are utilized to evaluate value changes related to the average cost for basic items, making it perhaps the most oftentimes utilized measurement for recognizing times of Inflation or Deflation.

Wholesale Price Index (WPI)

The WPI is another mainstream proportion of inflation, which measures and tracks the progressions in the cost of products in the stages before the retail level. While WPI things fluctuate from one country to other, they for the most part incorporate things at the maker or discount level. For instance, it incorporates cotton costs for crude cotton, cotton yarn, cotton dim products, and cotton apparel. Albeit numerous nations and associations use WPI, numerous different nations, including the U.S., utilize a comparative variation called the Producer Price Index (PPI).

The Producer Price Index (PPI)

It tracks the progressions in costs that organizations get for the labor and products they sell every month. Expenses can rise when makers face an expansion in duties, higher oil and gas costs to move their things, or different issues, like the effect of a durable pandemic or natural changes, similar to an ascent in storms, out of control fires, or flooding.


Before the calculation of inflation rate, we need to calculate the CPI.

The formula to calculate CPI is:-

CPI in year X = (cost of fixed basket in year x/ base year cost of the same fixed basket) *100;

 Let’s try to understand with an example-

Suppose, we are measuring CPI with the base year 2010

Example table for CPi calculation

One thing you have seen in our example, that we didn’t take the quantity for 2011 & 2012. Why?

Because those quantities in 2010 are used as a fixed basket. It will be fixed for later years to calculate CPI for 2011, 2012 & even later on.

Let’s solve the above example,

The total price of purchasing each year-

Total purchasing cost for 2010 = ($50*20) + ($20*80) + ($30*40) = $3800

Then for 2011 = ($55*20) + ($25*80) + ($40*40) = $4700

And for 2012 = ($60*20) + ($30*80) + ($45*40) = $5400

Now we will use the above CPI formula & for base year which is 2010 the CPI will be-

CPI in year X = (cost of fixed basket in year x/ base year cost of the same fixed basket) *100;

     In 2010 the CPI will be = ($3800/$3800)*100 = 100 [CPI of base year can be 100]

     Then, the CPI in 2011 = ($4700/$3800)*100 = 123.68

     And the CPI in 2012 = ($5400/$3800)*100 = 142.10

Then, what will be the inflation rate in 2011 & 2012 on Annual basis?

The basic formula to calculate the inflation rate is:-

{(CPI in this year-CPI in last year)/CPI in last year}*100;


Inflation rate in 2011 = {(123.68-100)/100}*100 = 23.68%

Inflation rate in 2012 = {(142.10-123.68)/123.68}*100 = 14.89%

What is Hyperinflation?

Hyperinflation is a term to portray quick, excessive expansions in an economy. Before you understood what is inflation then, in basic terms hyperinflation is quickly rising inflation. Commonly estimating 50% increase in a month.

Hyperinflation usually happens when there is a huge ascent in the cash supply that isn’t supported by monetary development. At the point when more cash is placed into the flow, the genuine worth of the money decreases, and costs rise.

For example,

 In 2018 Venezuela’s Opposition ruled National Assembly delivered a report showing that the country’s yearly inflation rate expanded to a staggering 13,779 percent over the previous year. That relates with a projection made by the IMF (International Monetary Fund) and pictured on the accompanying infographic which shows that Venezuela’s yearly rate will be in excess of 13,800 percent this year.

Venezuella Inflation Rate rose to 13,860 percent
Venezuella Inflation Rate. image courtesy: Statista

After this, a cup of coffee which used to cost 2000 bolivares previously, after the inflation the assessed value remains around 200,000.

Read also: What is GDP, how to calcuate & more

Optimal Inflation Rate.

In the last part of the 1970s and mid-1980s, numerous nations, including the United States, experienced high inflation. A wide agreement arose that this presentation was unreasonable, and monetary policymakers all throughout the globe received strategies intended to cut inflation down. Otherwise, it could be a big obstacle to economic growth. With inflation unfortunately so high, policymakers understood what heading they expected to push expansion regardless of whether they were questionable of its definitive objective.

With inflation a lot lower in the United States and somewhere else, the subject of what inflation rate to focus on has moved upfront. Most policymakers concur they should not permit inflation to fall under zero because that can cause *deflation.

The ideal optimal rate is frequently viewed as around 2%. Now you might think why 2%, why not 0%. If inflation means increasing the value then why policymakers don’t keep the ideal rate at 0%. It’s because 0% will be close to *deflation & above 2% can be a little high as ideal rate. We will talk about it in more detail in the Conclusion part.

 In straightforward terms, Deflation is only something contrary to inflation. Deflation is a diminishing in the overall value level of labor and products. This happens when the inflation rate falls beneath/below 0%.  Deflation causes the official cost or expenses of capital, work (labor), merchandise (goods), and administrations (services) to fall. However, their overall costs might be unchanged.

Country-wise data of Inflation rates.

China’s Inflation rate from 2010 to 2020 with figures forecasts until 2026-

In 2020, the inflation rate in China ran at around 2.5 percent contrasted with the earlier year. This is determined dependent on the Consumer Price Index (CPI) for China.  Projections by the IMF distributed in April 2021 expect the rate to reach about 1.2 percent in 2021.

Chinn's infaltion Rate will be 2 percent approx for next 4 years.
Chinn’s infaltion Rate image source Statista

The CPI is figured utilizing the product basket that contains a predefined scope of items and administrations on which the normal buyer goes through cash consistently.

U.S. inflation rate 1990 to 2020-

U.S.'s infaltion Rate was negetive in 2009, From there ti 3.2% in 2011 to 0.1% in 2015
U.S.’s infaltion Rate image source Statista

Above measurement shows the unadjusted yearly rate in the U.S. from 1990 to December 2020.

Consumer Price Index inflation rate in the UK from 1989 to 2021

U.K.'s Consumer price index infaltion Rate was negative 0.1 percent in 2015
U.K.’s Consumer price index infaltion Rate image source Statista

By seeing the above graph we can say that from 1989 until 2020 the Consumer Price Index rate has changed between a high of 8.4 percent in April 1991 and a low of negative 0.1 percent in 2015. The inflation rate at the Consumer Index in the United Kingdom tumbled to 0.4 percent in February 2021.

India’s Inflation rate from 1986 to 2022 with figures forecasts until 2026

India's infaltion Rate chart, India's inflation rate rose to 12.31% in mid 2009.
India’s infaltion Rate image source Statista

For more amazing stats you can check out Statista.

Impacts of inflation in Stock Market-

All the traders, Investment bankers, and of course investors out there are quite familiar with inflation, Inflation can be uplifting news for the securities exchange, as it demonstrates that stocks delivering high dividends can perform well. Despite the fact that it very well may be harming for the more extensive market. Let’s discuss this in detail.

Would we be able to say that inflation is the ascent or rise of the cost of labor and products? It likewise is a pointer to the diminishing worth of cash. Thus, assuming the inflation rate is 5%, $100 today will be valued at $95 following one year. Also, this can influence the buying force or the purchasing power of the financial bankers & investors.

We frequently see the effects of inflation in security yields, this influences the interest rates, and that affects the valuations.

Here we go, why it can be beneficial? While hypothetically inflation might be negative for bonds and equities, we should not fail to remember a positive part of the rising inflation rate. Rising inflation is inseparable from improved development in GDP. If you see the last few year’s data inflation was on the uptick. During a similar period, the GDP development has given indications of bottoming out, the corporate outcomes have shown positive return. GDP development is a positive takeaway in inflation.



Moderate inflation empowers economic development to suppose 2% or 3%. In any case, it should not be Hyperinflation like 40% or 45%, at that point, it can annihilate the economy. It permits the adjustment in costs or prices and genuine wages. Someplace inflation is superior to deflation.


Inflation can make vulnerability and lower investment. The higher the inflation lower the stability will be. More inflation will lessen the genuine worth of government bonds. Financial backers will request higher security respects redress; this will expand the expense of debt interest installments or payments.

Why deflation is terrible?

We previously talked about what is deflation, yet for what reason is it terrible? A little bit of deflation is fine & can be helpful or useful but a falling price index won’t be pleasant in the event that you’re not getting a decent check. It can build unemployment. Cost and wages fall, but the real worth or value of debt don’t so deflation can be a migraine for the debt holders.

Most Asked question Regarding Inflation-

Who Calculates CPI in India?

Ministry of Statistics and Program Implementation.

Who calculates CPI in the U.S.?

Bureau of Labor Statistics (BLS)

Who calculates CPI in the U.K.?

Office for National Statistics

Objective of inflation?

·         Economic Growth.
·         It allows adjustment in price.
·         It allows adjustment in real wages.

Who decides the inflation rate in India?

RBI Governor.

 Is inflation good?

Moderate inflation empowers economic development. But it should not turn into hyperinflation.

Value of one 1960s British pound today

 23.2 GBP