Hello, I am CS Sandeep Kumar, and today’s topic is Inflation and Corporate Margins. 

In this video, we will learn about CPI versus WPI, raw material inflation, wage inflation, freight costs, gross margin versus EBITDA margin pressure, pricing power, which sectors handle inflation better, how companies pass on price hikes, and the warning signs of margin compression. 

Inflation: The Hidden Earnings Driver

Inflation does not only affect household budgets. It also impacts companies. When inflation rises, raw material costs, salaries, freight expenses and energy costs can also move higher. This means that operating the same business becomes more expensive.  But for an investor, the most important question is: can the company pass these higher costs on to its consumers? If a company can recover higher costs from customers, its margins may remain relatively stable. If it cannot, profitability can come under pressure.  The relationship is simple. When inflation rises, costs increase, margins can decline, earnings can weaken and stock prices may come under pressure. This is why experienced investors analyse the impact of inflation directly on company earnings and margins. As investors, we should also remember that revenue growth is important, but long-term shareholder wealth is created through sustainable margins and earnings. 

CPI versus WPI: What Should Investors Track?

When discussing inflation, two indicators are commonly tracked: CPI and WPI. Both are important for investors, but they measure different aspects of inflation.  CPI, or Consumer Price Index, measures inflation at the consumer level. It reflects the prices people pay for goods and services such as fuel, food, rent and healthcare. This is why the RBI closely monitors CPI.  When CPI rises sharply, consumer purchasing power can come under pressure and discretionary spending may slow down.  WPI, or Wholesale Price Index, measures inflation at the producer and wholesale level. It includes items such as metals, chemicals, fuel and industrial inputs. This is where the impact on company earnings often begins. When WPI rises, raw material costs can increase, margins can come under pressure and earnings may ultimately decline.  This is why experienced investors do not track only CPI. WPI can often provide an early indication of future margin pressure. 

Raw Material Inflation: The First Margin Killer

Let us now understand how inflation can practically impact company earnings. The most direct impact often comes through raw material costs.  For example, steel companies depend on inputs such as iron ore and coal. Paint companies depend on petrochemicals and solvents. Tyre companies use synthetic rubber and carbon black, while FMCG companies use inputs such as palm oil, milk, wheat and sugar.  When the prices of these inputs rise, company margins can come under pressure. The important point for investors is that revenue may remain unchanged, but profitability can still decline significantly because of higher raw material costs.  This is why a company may report strong sales growth and still disappoint on earnings. As investors, we should not look only at revenue growth. We should also track margin trends because the first impact of inflation often appears in margins before it becomes visible in earnings. 

Wage Inflation: The Silent Margin Destroyer 

So far, we have discussed raw material inflation. However, many industries face another important challenge: wage inflation. This is particularly relevant for IT companies, consulting firms, hospitals, hotels and staffing businesses because employee costs are often among their largest expenses.  When salaries rise rapidly but revenue does not grow at the same pace, margins and profitability can come under pressure. When analysing wage-heavy businesses, investors should track key metrics such as employee cost as a percentage of revenue, attrition rates, hiring trends and sales growth.  There is an important lesson here: not all inflation is commodity inflation. In many cases, wage inflation alone can slow earnings growth. Therefore, in industries where employees form a major cost component, wage inflation should be monitored closely. 

Freight and Logistics Inflation 

We have discussed raw material and wage inflation, but inflation does not end at the factory gate.  Manufacturing a product is one cost, but delivering it to the customer is another. If diesel prices rise, freight costs can increase, distribution costs can rise and margins may come under pressure.  This impact is particularly visible in sectors such as FMCG, cement, consumer durables and retail. In some cases, companies may meet their sales expectations but still disappoint on earnings because of higher logistics costs. As investors, we should remember that revenue tells part of the story, but margins reveal the economics of the business. 

Gross Margin versus EBITDA Margin 

Many investors focus primarily on profits. Professional investors also pay close attention to margins.  Two important margins to track are gross margin and EBITDA margin. Gross margin indicates how much money a company retains after deducting direct production costs. EBITDA margin reflects overall operating profitability and includes expenses such as employee costs, freight costs, distribution expenses and administrative expenses.  If salaries, logistics costs or other operating expenses increase, EBITDA margins can come under pressure. As investors, a useful framework is to remember that falling gross margins can indicate raw material inflation, while falling EBITDA margins can signal broader operating cost pressures. 

Pricing Power: The Ultimate Inflation Defence 

Pricing power refers to a company’s ability to increase prices without losing a significant number of customers. This capability can determine whether margins remain protected or come under pressure during an inflationary period. Companies with strong pricing power often include premium paint brands, leading FMCG brands and software businesses. In these businesses, customers do not look only at price. They may also value brand, quality and reliability. This allows such companies to pass a significant portion of higher costs on to customers. Now, consider businesses with weak pricing power, such as airlines, commodity businesses and highly competitive industries. In these sectors, increasing prices can be difficult.  As a result, higher costs may directly impact margins and profitability.  The relationship is straightforward. With strong pricing power, when costs rise, prices can also rise and margins may remain relatively stable. With weak pricing power, costs may rise while prices remain unchanged, causing margins to decline.  This is why, in the same inflationary environment, some companies can protect their margins while others face earnings pressure.  Before analysing the impact of inflation, it is important to analyse the company’s pricing power. 

Which Sectors Handle Inflation Better? 

Businesses with strong brands, high switching costs and essential products generally tend to be more resilient during inflationary periods. Examples include leading FMCG companies, paint companies, premium consumer brands and software businesses. These sectors often have enough pricing power to pass a significant portion of higher costs on to consumers.  On the other hand, some sectors are much more sensitive to inflation. These can include airlines, textile companies, smaller manufacturers and commodity businesses, where pricing power may be relatively limited. In such cases, higher costs can have a more direct impact on margins and earnings.  As investors, we should remember that inflation does not affect all sectors equally. Pricing power often creates the biggest difference. 

How Companies Handle Inflation 

Companies generally use four approaches to deal with inflation. The first and most direct approach is increasing prices. If customers continue buying despite the price increase, margins can remain largely protected. The second approach is shrinkflation, a term commonly used in the FMCG industry. Here, the price remains the same, but the quantity or pack size is reduced. In simple terms, it is effectively a price increase without changing the MRP. For example, the price of a biscuit packet may remain unchanged, but the size of the packet may gradually become smaller. The third approach is cost optimisation. Companies may improve efficiency through automation, better procurement, vendor negotiations and supply-chain improvements. The fourth approach is cost absorption. If a company is unable to pass higher costs on to customers, it may have to absorb those costs itself. This means costs rise, margins decline and earnings can weaken. For investors, this is generally the least favourable outcome. 

So, one of the most important questions is: how effectively can a company pass higher costs on to its customers? In many cases, the answer can provide an early indication of future margins. 

Margin Compression Warning Signs 

Experienced investors often identify earnings pressure before it appears in reported profits. One important warning sign is rising raw material cost as a percentage of sales. This can indicate that input cost pressure is building. Another warning sign is declining gross margins, which can often be an early indication of raw material inflation. Declining EBITDA margins can signal broader operating cost pressure, including higher salaries, freight costs and distribution expenses. Investors should also closely track management commentary on cost pressures in earnings calls and annual reports. Another warning sign is slowing volume growth after price hikes. This may indicate that customers are beginning to resist higher prices.  If multiple warning signs begin appearing at the same time, investors should pay closer attention because margin pressure often becomes visible in margins and management commentary before it appears in reported profits. 

Conclusion 

In this video, we learnt that inflation directly impacts company costs, margins and earnings. We understood CPI and WPI, raw material inflation, wage inflation, freight costs, gross margins, EBITDA margins and the role of pricing power. We also learnt that strong businesses can often protect their margins by passing higher costs on to customers, while weaker businesses may face greater earnings pressure.  Most importantly, inflation does not affect all companies equally. Pricing power often makes the biggest difference. In the next chapter, we will discuss Currency Movement and Sector Impact. We will decode it in the next chapter. 

See you in the next video. 

Disclaimer: Investments in securities markets are subject to market risks. Read all the related documents carefully before investing.