The U.S.-China rivalry is no longer just a trade dispute; it's fundamentally reshaping what products you can buy, where you live, and how global supply chains work. Export controls, tariffs, and technology bans are carving the world into competing technological ecosystems, with real consequences for everyday consumers. Rather than treating geopolitics and markets as separate forces, researchers now understand them as deeply intertwined, with corporate interests and dependencies playing a critical role in how competition unfolds.

How Are Export Controls Changing Consumer Choice?

The clearest example is the automotive market. The United States has implemented rules from the Bureau of Industry and Security (BIS) that will ban connected vehicles, particularly electric vehicles and conventional cars with internet-connected autonomous-driving features, if they use Chinese or Russian software. This ban takes effect next year, alongside related hardware regulations and tariffs on Chinese electric vehicles. The result is stark: the kind of car you can buy now depends not on market competition or your personal preference, but on where you live and which country's security policies apply to your region.

Mobile phones tell a similar story. Over the past decade, the U.S. and China have gradually built regulatory walls that have fractured the global smartphone market into competing ecosystems. The U.S. Huawei and ZTE bans, which began nearly a decade ago, pushed Chinese companies to develop alternatives to American technology. Huawei responded by creating HarmonyOS, its own mobile operating system, and has since moved entirely away from Android compatibility. Meanwhile, China has limited engagement with certain American technologies, such as banning Google mobile services and supporting domestic "national champions."

These regulatory barriers extend far beyond the United States and China. In Africa, for instance, Chinese-subsidiary firms like Transsion now hold nearly 50% of the African smartphone market, complete with their own app layer and payment services running on Huawei's mobile money platform rather than U.S.-connected financial infrastructure. Yet many of these phones still use Android, illustrating how messy and interconnected superpower competition has become in third-country markets.

What Role Do Corporations Play in Geopolitical Competition?

A critical insight from recent research is that corporations themselves have interests, dependencies, and bargaining power that shape how geopolitical competition unfolds. The world's leading chipmaker, Taiwan Semiconductor Manufacturing Company (TSMC), exemplifies this dynamic. Despite mounting pressure from both Washington and Beijing, TSMC has retained strategic agency, suggesting that the global economy is not simply a backdrop for geopolitical rivalry but rather the terrain on which competition actually takes place.

This corporate dimension complicates the narrative of a simple U.S.-China trade war. When states deploy tariffs, sanctions, and export controls, they are not acting in isolation; they are engaging with corporations that have their own global supply chains, customer bases, and strategic interests. These companies can sometimes resist, negotiate, or find workarounds to government policies, making the outcome of geopolitical competition far less predictable than policy announcements might suggest.

How Does U.S.-China Rivalry Shape Other Global Conflicts?

The U.S.-China rivalry has become an organizing framework that shapes the broader environment in which other geopolitical conflicts unfold, even if it does not directly cause them. The Russia-Ukraine conflict illustrates this dynamic. While the war remains fundamentally a conflict between the parties directly involved, it has drawn in Europe and the United States. Critically, China has become a major economic partner for Russia, providing a significant market for Russian energy as Russia faces growing challenges accessing other markets. These dynamics likely would not have unfolded the same way without the pre-existing U.S.-China rivalry.

The same pattern appears in Middle East conflicts, where Chinese-flagged vessels can traverse the Strait of Hormuz while vessels connected to the U.S., Israel, or the West more broadly cannot. However, the relationship between superpower rivalry and localized conflicts remains complicated. China has interests on multiple sides of Middle East tensions, including connections with the Gulf states, Iran, and Israel, meaning states do not fall neatly into one camp or another.

Ways Geopolitical Competition Is Reshaping Daily Life

• Technology Ecosystem Divergence: The U.S. and China are building separate technological ecosystems with different operating systems, payment platforms, and app stores, forcing consumers in different regions to use incompatible devices and services.
• Market Segmentation by Geography: Regulatory walls are emerging between the two superpowers, meaning the products available for purchase depend on your location rather than solely on market differentiation or consumer demand.
• Third-Country Competition: The U.S. and China are engaged in a rivalry to secure technological dominance in third-country markets, with Chinese firms gaining significant market share in regions like Africa while still maintaining some compatibility with American technology standards.

"Regulatory walls are emerging between the two superpowers, reshaping daily life at home while also extending into third-country markets and influencing how competition unfolds abroad. Although it clearly depends on where you are, geopolitics is beginning to structure daily life in meaningful, material ways for large numbers of people," explained Steve Rolf, Principal Research Fellow at the University of Sussex Business School.

Steve Rolf, Principal Research Fellow at the University of Sussex Business School

The key takeaway is that geopolitical competition is no longer confined to government-to-government negotiations or corporate boardrooms. It is reshaping the physical products you can purchase, the digital services you can access, and the infrastructure that connects you to the global economy. Understanding these dynamics requires looking beyond tariffs and export controls to examine how corporations, states, and markets interact in an increasingly fractured world.