18.2. Causes of Depreciation

1. Wear and Tear: Physical deterioration due to usage.

Wear and tear refers to the physical deterioration of an asset that occurs simply from using it over time. This can happen to machines, vehicles, and buildings as they are utilized for their intended purposes. As more wear and tear accumulates, the asset's condition degrades, leading to a decrease in its value.

Consider a car that you drive daily. The more you drive it, the more the tires wear out, the engine parts might need replacements, and the overall appearance might degrade. Therefore, the value of your car decreases over time because it has been subjected to wear and tear.

2. Obsolescence: Assets becoming outdated due to technological advancements.

Obsolescence occurs when an asset becomes out-of-date or less useful due to advances in technology or changes in market demands. Even if the asset is still functional, it may have reduced value because better, more efficient technologies are available. This concept highlights that assets don't just lose value through physical deterioration but also through innovation.

Think about smartphones. A newer model with better features and capabilities is introduced each year. Even if your current phone is still working perfectly, its value drops quickly as it is considered obsolete compared to the latest models.

3. Passage of Time: Even unused assets depreciate due to time.

The passage of time can affect the value of an asset even if it hasn’t been used. For example, certain assets have a finite legal or functional lifespan, and they naturally depreciate over time, regardless of their physical condition or usage. This depreciation reflects a decrease in utility or the cost of maintaining the asset as it ages.

Imagine a piece of software that your company purchased a few years ago. Even if it hasn’t been used recently, the software might become outdated and less valuable simply because newer versions have been released, demonstrating how time can lead to depreciation.

4. Depletion: Natural resources like mines reduce in value as they are extracted.

Depletion pertains specifically to natural resources, such as minerals or oil, and refers to the reduction in value as these resources are extracted. Each extraction diminishes the asset's total value as there is finite availability, and the asset cannot be replaced in the same manner as other fixed assets.

Consider a coal mine. Each time coal is extracted, it decreases the amount of coal that can be utilized or sold in the future. Eventually, as the mine becomes depleted, its value declines significantly because there are fewer resources left to extract.

5. Accidents/Natural Causes: Sudden loss of asset value due to unforeseen events.

Accidents or natural disasters can result in a sudden and significant loss of value for an asset. These events may damage or destroy the asset entirely, leaving it without value or requiring substantial investment for repairs. This kind of depreciation is often unpredictable and beyond the control of asset owners.

Think about a manufacturing facility that suffers extensive damage due to a fire. Even if the machinery was in perfect working order before the incident, the fire leads to an immediate decrease in the asset's value, requiring recovery expenditures to restore its previous worth.

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