Electronics manufacturing has expanded substantially across several emerging economies, driven by supply chain diversification and by policy incentives. Export figures and production values have grown impressively.
The more useful question is how much of the value in a finished device is being created domestically, and the answer is usually considerably less than the headline suggests.
The value chain
A smartphone contains components of wildly different value density.
The most valuable are typically the processor, the display, the memory, and the camera modules. These involve capital-intensive fabrication with extremely high barriers to entry — semiconductor fabs cost enormous sums and require accumulated process expertise.
Below that sit passive components, printed circuit boards, batteries, casings and connectors. Lower value per unit, more accessible manufacturing.
And then final assembly: putting the components together, testing, and packaging. Labour-intensive, low capital requirement, and the lowest value-added step in the chain.
Assembly is where new manufacturing locations start, because it's the step with the lowest barriers.
Why the numbers look larger than the value
Export statistics record the value of the finished product leaving the country, not the value added within it.
So a device exported at a given price, assembled from imported components worth most of that price, records the full value as an export while the domestic contribution is the assembly margin.
This is why import figures for components frequently rise alongside export figures for finished goods. The trade balance improvement is smaller than the export figure implies.
Value-added measures exist and are less frequently quoted, for obvious reasons.
Why moving up is hard
The path from assembly to component manufacture to design is well documented in economic history, and several countries have travelled it. It's difficult and slow for identifiable reasons.
Capital intensity. Semiconductor fabrication requires investment at a scale that few private actors will commit without substantial state support, and the technology moves fast enough that facilities depreciate quickly.
Process knowledge. Yields in advanced manufacturing depend on accumulated tacit knowledge that cannot be bought or licensed. It's built over years through operating experience.
Supplier ecosystems. Component manufacture depends on hundreds of specialist suppliers — chemicals, materials, equipment, tooling — in proximity. Building the ecosystem is harder than building any individual factory.
Scale. Component manufacturing economics require volume that a single national market usually can't provide, so competitiveness requires exporting into markets where established producers have cost advantages from experience.
What policy has tried
Production-linked incentive schemes, offering payments tied to incremental output, have been the main instrument in several countries.
These do work at attracting assembly, because assembly is mobile and responds to cost. Whether they successfully pull component manufacture along behind is the harder question, and the evidence is mixed.
Local content requirements are the other common tool — mandating a proportion of domestic components. These can accelerate localisation and can also raise costs and reduce competitiveness if the domestic components aren't yet good enough.
Tariffs on components to encourage domestic production have a poor record generally, because they raise costs for the assembly operations you're trying to attract.
The employment picture
Worth being clear-eyed about. Assembly employs a lot of people, which is a genuine benefit in economies with large labour forces entering the workforce.
The jobs are generally low-skilled, low-paid, and vulnerable to automation. Electronics assembly has been progressively automated over decades and continues to be.
Which means employment gains from assembly are real and may not be durable. The employment that persists is in the higher-value steps, which is another argument for the difficult transition upward.
What success would look like
The indicators worth watching, rather than headline export figures.
Component manufacture appearing domestically, particularly higher-value components rather than casings and cables.
Design and engineering activity — research centres, product development, not just manufacturing execution.
Domestic firms in the supply chain rather than exclusively foreign-owned facilities using local labour.
And export of components rather than only finished goods, which indicates competitiveness in the higher-value steps rather than assembly cost advantage.
These take a long time. The countries that have made this transition successfully took decades, with sustained policy across changes of government, and considerable failures along the way. That's the realistic timescale, and it's rather longer than any electoral cycle, which is a substantial part of why it's difficult.
The skills question
One constraint that receives less attention than capital or policy: the workforce required for higher-value manufacturing is quite different from the one required for assembly.
Assembly needs a large number of trainable operators. Component fabrication needs process engineers, materials specialists, equipment technicians and quality engineers with genuine depth, and those take years to develop.
Countries that have made this transition invested heavily in technical education aligned with industry, frequently with firms directly involved in curriculum and training. That coordination is difficult and it is a recurring feature of the successful cases.
Without it, a facility can be built and staffed and still fail to reach competitive yields, because yield is a function of accumulated expertise rather than of equipment. That is the least visible barrier and frequently the binding one.