What Is a Decreasing-Cost Industry? Overview, 6 Facts

A decreasing cost industry is one that is distinguished by its long run supply curve being downward sloping. Product prices tend to fall as a result of lower production costs when increased market demand stimulates extra supply to meet that need. Find out in the story below.

What Is a Decreasing-Cost Industry?

A item or service’s price falls when more of it is created in a decreasing-cost industry. This tendency is indicated by a long-term supply curve that slopes downward. This is because as an industry grows, more businesses enter the market, lowering earnings for everyone.

What Is a Decreasing-Cost Industry?

Companies may fail or prosper as a result of the low-cost industry, depending on the details of their industry.

Reasons for decreasing-cost industry

Many industries’ cost-cutting tendency is influenced by competition. When a product has a wider market, more firms will start producing it.

Existing firms may be able to charge a price premium due to their established brands or the perceived value of their years of service, but they will almost certainly need to lower their prices to remain competitive.

A decreasing-cost industry is one where rising output has little to no influence on unit costs. This is characteristic of knowledge-based items, such as computer programs.

A decreasing-cost industry is one in which rising output has little to no influence on per-unit expenses. This is characteristic of items that rely on expertise, such as computer programs.

Falling pricing in an industry may be the result of a general downward trend in company expenses. This might be attributed in part to the money invested in the firm in the form of start-up costs such as equipment, employees, and advertising.

As a company achieves a certain level of success, the costs associated with these characteristics frequently diminish. Over time, successful product manufacturing generally leads in lower production costs for the company creating the product.

What Is a Decreasing-Cost Industry?

This is typically the case since the corporation has discovered the optimal way of production and distribution via trial and error.

Decreasing Cost Industry Types

In a low-cost sector, the long-term supply curve will be downward sloping. When demand increases and extra supply is required to meet that demand, product prices can fall due to lower manufacturing costs.

The obvious question is what circumstances may lead to decreased corporate expenses despite increased output levels. When an undeveloped industry boosts output, it is usually because enterprises may benefit from economies of scale.

Such industries often emerge as a result of technological advances that result in unique goods and services.

When the automobile business first entered the market, people reacted with distrust and expensive price. Due to their exorbitant price, only the rich could afford them; but, when mass manufacturing methods such as the assembly line evolved, more vehicles could be made for less money, allowing for lower prices.

Decreasing Cost Industry Graph

An average business in an industry, with costs and outputs of p and q, is illustrated at the top of the decreasing cost industry graph below. Given the current level of demand, this output and price level constitutes a market-clearing equilibrium.

Using the early years of the automobile industry as an example, we can see that a growth in demand for automobiles from D to D’ (represented on the right side of the graph) has an effect on costs, resulting in a new price and output combination.

What Is a Decreasing-Cost Industry?

If you’re wondering why demand increased, it’s realistic to suppose that some people were hesitant to buy a vehicle when they were first introduced, but were persuaded to do so when their friends and neighbors bought one and raved about them.

The utility of possessing one would increase as a consequence of additional road infrastructure investment, and demand would rise as a result.

In response to a D’ rise in industry demand, each present manufacturing firm would raise output. In the short term, this is only possible if corporations increase output at existing manufacturing sites, which would result in higher pricing.

To support such an increase in production, premium rates for overtime, night shifts, weekends, and so on would be required. While companies may increase output by recruiting additional employees to work in their current facilities, this would dramatically increase costs per unit of output with no commensurate increase in output.

As a result, prices would have to rise, as seen by the increase from p to p’.

Things change with the passage of time. Existing businesses and new entrants into a low-cost sector are attracted to invest in increased production capacity as a consequence of the higher economic returns they may expect from the product’s higher price, p’.

Because of the increasing number of enterprises, the supply curve for the industry will move from S to S’ in a short amount of time (and the increased number of production facilities per company).

This is illustrated on the right side of the decreasing cost industry graph shown above. Initial equilibrium is at A, but as industry demand increases, existing enterprises are able to expand output slightly, but at the expense of raising prices to point B.

What Is a Decreasing-Cost Industry?

When long-run supply increases as a result of additional plant and equipment investment, a new supply curve pushes to the right and crosses the growing demand curve at point C, with a lower price of p” and significantly higher production at Q’.

Long-term industrial supply balance points A and C are linked by a line, which allows us to see the supply curve in the long term (SL). As can be seen, the curve slopes downward, indicating that costs in this area of the economy are reducing.

Examples of Industries with Decreasing Long Run Costs

Most examples of low-cost industrial buildings in the real world may be divided into two categories:

  • Those who were born in the midst of fast technological advancement and have had little time to mature. The evolution of the automobile industry in its early phases is an outstanding example of this. Computer and information technology advances are another apparent example, as long-term supply curves for items such as computers, plasma panels, cellphones, and so on all slope downward.
  • Economies of scale continue even at very high production rates in decreasing cost sectors. Energy suppliers and other utility providers are great examples in this regard. The enormous capacity of nuclear power plants to generate energy grows more than proportionately to the cost of that spending, resulting in a long-term downward sloping supply curve.

What Is a Decreasing-Cost Industry?

The second type of industrial structure is frequently referred to as “natural monopolies” since the long-term cost benefits of having only a few significant suppliers generally result in the purchase of smaller firms by larger ones or the ultimate collapse of the latter.

Of course, there are many excellent arguments against monopolized industries, and complete competition is normally the ideal to strive for, but the monopolies that are least destructive to society are those with a long-run supply curve that slopes downward, as in a cost-cutting structure.


Average total costs (unit costs) are established by the term of declining cost industry, which increases as output falls and declines as output rises under situations where firms exit and enter the industry in a systematic manner.

If there is an increase in demand for a product manufactured by a company in a decreasing cost industry, the price of that product will first rise before falling to a level below where it began.

In the dropping cost company, the long-term supply curve is lowering.

As new businesses enter a low-cost industry, input prices fall and output grows. When new firms enter the market, greater output pushes down corporate costs, resulting in a falling cost industry.

For example, when the production of electronic components expands so the price of computer chips might be lower.

5/5 - (1 vote)
Pat Moriarty
Follow me

Leave a Comment