Why can't chip factories just ramp up production like software companies do?
The fundamental reason is that chip manufacturing is a physical, capital-intensive process with long lead times, while software is digital and can be deployed globally in minutes. A 2023 study on semiconductor supply chains notes that the industry faces 'lengthy production cycle time' and 'continuous technology migration,' meaning each new generation of chips requires entirely new factories and equipment [2]. This is not like adding more servers to a cloud service; building a state-of-the-art fabrication plant (fab) takes 2–3 years and costs over $10 billion. Once built, the fab must run 24/7 for years to recoup that investment, so capacity cannot be quickly adjusted up or down in response to shifting software demand.
The pandemic exposed this fragility dramatically. In a 2022 roundtable discussion, chip industry leaders from Samsung, TSMC, and other major players explained that lockdowns forced a critical number of chip-making facilities worldwide to shut down, triggering a global shortage [1]. This was not a one-off event but a symptom of a system with no slack: when even a few fabs go offline, the entire supply chain seizes up because there are no spare factories waiting to be turned on. The same study notes that this crisis has particularly impacted the development of emerging in-memory and neuromorphic chips, which were already struggling to scale [1].
Even when demand is clear, why can't the supply chain respond faster?
The semiconductor supply chain is one of the most complex in the world, spanning dozens of countries and hundreds of specialized suppliers. A 2023 study on resilient supply chains identifies key structural problems: 'low information transparency in the upstream and downstream, long lead time for supply chain planning, short product life cycles, and continuous technology migration' [2]. This means that even if a chip designer knows demand will spike in six months, they cannot simply order more wafers—they must forecast demand years in advance, because raw silicon, specialized chemicals, and advanced lithography equipment all have their own multi-year lead times.
A 2025 review of scenario modeling in semiconductor supply chains confirms that these networks are 'constrained by volatile demand, limited capacity, and technological dependencies' [3]. The paper emphasizes that capacity planning simulations and inventory optimization are essential tools, but they can only mitigate—not eliminate—the fundamental mismatch. Even with the best forecasting, the system is inherently slow to react because each step in the chain (design, fabrication, assembly, testing) is tightly coupled and cannot be accelerated independently. A 2021 study on short-term demand-supply matching shows that even with sophisticated algorithms, the best outcome is to 're-promise orders taking into account the finite capacity of the shop floor' [5]—meaning the system can only allocate scarce capacity, not create more of it.
The 2023 paper on chip shortages and government acts adds that international initiatives are 'rebuilding supply chains and restructuring value chains' in response to the crisis, but this is a long-term effort [4]. The paper notes that emerging technologies and ongoing digitalization are increasing demand faster than these rebuilding efforts can add capacity, creating a persistent gap [4]. Across all five studies, the message is consistent: the bottleneck is not just a temporary shortage but a structural feature of an industry where physical expansion takes years and software demand grows exponentially.
About These Sources
This answer is built on 5 studies (3 peer-reviewed, 2 preprints) — published from 2021 to 2025, 1 from 2024 or later, 1 in Q1 journals — selected as the most relevant from 5 studies that passed quality screening, drawn from 46 papers retrieved from a database of over 500 million.
Sources used in this answer
Impact of the global chip shortage on the development of in-memory chips
A 2022 roundtable of chip industry leaders (Samsung, TSMC, CEA-Leti, etc.) reported that pandemic lockdowns forced critical chip-making facilities worldwide to shut down, triggering a global shortage that particularly impacted emerging in-memory/neuromorphic chip development.
Resilient Supply Chain Framework for Semiconductor Distribution and an Empirical Study of Demand Risk Inference
A 2023 study on semiconductor supply chains identifies low information transparency, long lead times, short product life cycles, and continuous technology migration as structural barriers that prevent rapid capacity expansion.
Scenario Modeling in Demand-Constrained Semiconductor Supply Chains
A 2025 review of scenario modeling finds that semiconductor supply chains are constrained by volatile demand, limited capacity, and technological dependencies, requiring complex simulations to manage uncertainty.
Chips Shortage and Chips Acts: The Inside View
A 2023 paper on chip shortages and government acts states that international initiatives are rebuilding supply chains and restructuring value chains, but emerging technologies and digitalization are increasing demand faster than capacity can be added.
A Short-Term Demand Supply Matching Approach for Semiconductor Supply Chains
A 2021 study on short-term demand-supply matching shows that even with advanced algorithms, the best outcome is to re-promise orders within finite shop-floor capacity, not to create additional capacity.