Rice Business Professor Amit Pazgal found that in certain situations, gray markets can actually help manufacturers and retailers. Photo by Science in HD on Unsplash

A camera store in Taiwan buys Nikon cameras from an electronics shop in the Philippines, where photo equipment is cheaper. Then the store sells them to consumers in Taiwan at a lower price. The camera comes without a warranty and instructions are in Filipino – the buyers in Taiwan are happy to have a real Nikon for a lower cost.

The sellers and customers are operating in the so-called gray market – where genuine products are sold through unauthorized channels. Gray marketers buy goods in markets with lower prices, then ship them to a market with higher prices, where they will likely sell for a profit. Though the products are identical, consumers typically see gray market goods as inferior since they often lack benefits like after-sale services or warranty coverage.

For years, gray markets have posed a significant threat to both manufacturers and retailers, depriving both of customers and profits. It's estimated that around $7 billion to $10 billion in goods enter the U.S. market through gray market channels every year. The IT industry, for one, loses approximately $5 billion a year due to gray market activities.

No specific laws in the U.S. ban this practice outright, however. As a result, in recent years, retailers are increasingly taking advantage of potentially cheaper prices abroad, personally importing or using third parties to buy original goods not meant for direct sale in the United States – and then selling them here for less. Alibaba, China's most extensive online shopping site, offers its hundreds of millions of shoppers a large array of gray market goods to peruse.

Manufacturers usually respond to gray markets with knee-jerk hostility, urging customers to avoid gray market goods and even filing lawsuits against gray market peddlers. Nikon, for example, includes a website section to educate consumers on how to identify gray market products, to shun the gray market.

But is gray market commerce always destructive? Rice Business Professor Amit Pazgal joined then-Rice Business Ph.D. student Xueying Liu (now an assistant professor at Nankai University) to explore scenarios in which gray markets could be good for both manufacturers and retailers. Testing the theory in recent research, Pazgal and Liu found that there are indeed situations in which both manufacturers and retailers can profit thanks to gray markets, while the associated product also improves in quality.

To reach these conclusions, the researchers started by recruiting 118 participants between the ages of 25 and 45 to complete a gray market product survey. They found the majority had no problem buying gray market goods. Only 3 percent of consumers wouldn't consider buying cosmetics from a gray marketer, while 6 to 7 percent wouldn't buy electronics. Despite this, more than 90 percent of participants who were willing to buy required a price discount of 20 to 30 percent, showing the goods were seen as slightly inferior.

The researchers then tested responses to a model of a manufacturer selling a single product to two markets – or countries – that differed in size and in customer willingness to pay for the product. Consumers in one market would pay more, on average, for quality. For example, the Nikon D500 camera is sold for a 7.5 percent premium in Taiwan versus Thailand and a 10 percent price premium in Taiwan versus the Philippines.

Pazgal and Liu found that when the manufacturer sells their product directly to consumers in both markets when there is also a gray market, both the manufacturer's profit and product quality decrease. But when the same manufacturer sells their product indirectly to a retailer in at least one of these markets, both the manufacturer's and the retailer's profits can increase. So can the product's quality.

This occurs for several reasons. First, gray marketers increase total demand and profit for the retailer in the lower-priced market, or in the market where the gray marketer buys their goods. The manufacturer can set a higher wholesale price for the better quality product in a market where consumers pay more, and increase sales in both markets as consumers compare the regular, high-quality product to the gray market one. In fact, by offering a lower-priced, lower quality (that is, gray market) alternative to its own high-quality product, the manufacturer can better segment consumers in the higher-priced market.

Finally, the retailer in the higher-priced market becomes more profitable even though they lose some customers to the gray market. This is because increased product quality and price more than make up for lost sales. Researchers found that the results hold regardless of whether the gray marketer buys from the manufacturer or a retailer.

The bottom line: in certain situations, gray markets can improve profitability for both manufacturers and retailers (and, of course, the gray marketers). Counterintuitive though it is, manufacturers that sell through retailers shouldn't automatically see gray markets as an obstacle to their profits, rushing to demand that governments and courts shut them down. Instead, in some cases, companies could do well to embrace these gray markets, because they lead to overall improved profits.

Manufacturers can use this information to their advantage, Pazgal noted. Nikon, for example, could introduce a higher quality camera to the market, allowing it to set even higher wholesale prices and increase sales in both markets, far exceeding the cost of the higher quality product.

For consumers, meanwhile, gray markets are always beneficial because of lower prices. If companies heed Pazgal's findings, however, customers could also benefit from more innovative and higher quality cameras and other merchandise, as manufacturers hurry to create better products to bump up their profits.

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This article originally ran on Rice Business Wisdom and is based on research from Amit Pazgal, the Friedkin Professor of Management – Marketing at the Jones Graduate School of Business.

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Houston food giant Sysco to acquire competitor in $29 billion deal

Mergers & Acquisitions

Sysco, the nation's largest food distributor, will acquire supplier Restaurant Depot in a deal worth more than $29 billion.

The acquisition would create a closer link between Sysco and its customers that right now turn to Restaurant Depot for supplies needed quickly in an industry segment known as “cash-and-carry wholesale.”

Sysco, based in Houston, serves more than 700,000 restaurants, hospitals, schools, and hotels, supplying them with everything from butter and eggs to napkins. Those goods are typically acquired ahead of time based on how much traffic that restaurants typically see.

Restaurant Depot offers memberships to mom-and-pop restaurants and other businesses, giving them access to warehouses stocked with supplies for when they run short of what they've purchased from suppliers like Sysco.

It is a fast growing and high-margin segment that will likely mean thousands of restaurants will rely increasingly on Sysco for day-to-day needs.

Restaurant Depot shareholders will receive $21.6 billion in cash and 91.5 million Sysco shares. Based on Sysco’s closing share price of $81.80 as of March 27, 2026, the deal has an enterprise value of about $29.1 billion.

Restaurant Depot was founded in Brooklyn in 1976. The family-run business then known as Jetro Restaurant Depot, has become the nation's largest cash-and-carry wholesaler.

The boards of both companies have approved the acquisition, but it would still need regulatory approval.

Shares of Sysco Corp. tumbled 13% Monday to $71.26, an initial decline some industry analysts expected given the cost of the deal.

Houston researcher builds radar to make self-driving cars safer

eyes on the road

A Rice University researcher is giving autonomous vehicles an “extra set of eyes.”

Current autonomous vehicles (AVs) can have an incomplete view of their surroundings, and challenges like pedestrian movement, low-light conditions and adverse weather only compound these visibility limitations.

Kun Woo Cho, a postdoctoral researcher in the lab of Rice professor of electrical and computer engineering Ashutosh Sabharwal, has developed EyeDAR to help address such issues and enhance the vehicles’ sensing accuracy. Her research was supported in part by the National Science Foundation.

The EyeDAR is an orange-sized, low-power, millimeter-wave radar that could be placed at streetlights and intersections. Its design was inspired by that of the human eye. Researchers envision that the low-cost sensors could help ensure that AVs always pick up on emergent obstacles, even when the vehicles are not within proper range for their onboard sensors and when visibility is limited.

“Current automotive sensor systems like cameras and lidar struggle with poor visibility such as you would encounter due to rain or fog or in low-lighting conditions,” Cho said in a news release. “Radar, on the other hand, operates reliably in all weather and lighting conditions and can even see through obstacles.”

Signals from a typical radar system scatter when they encounter an obstacle. Some of the signal is reflected back to the source, but most of it is often lost. In the case of AVs, this means that "pedestrians emerging from behind large vehicles, cars creeping forward at intersections or cyclists approaching at odd angles can easily go unnoticed," according to Rice.

EyeDAR, however, works to capture lost radar reflections, determine their direction and report them back to the AV in a sequence of 0s and 1s.

“Like blinking Morse code,” Cho added. “EyeDAR is a talking sensor⎯it is a first instance of integrating radar sensing and communication functionality in a single design.”

After testing, EyeDAR was able to resolve target directions 200 times faster than conventional radar designs.

While EyeDAR currently targets risks associated with AVs, particularly in high-traffic urban areas, researchers also believe the technology behind it could complement artificial intelligence efforts and be integrated into robots, drones and wearable platforms.

“EyeDAR is an example of what I like to call ‘analog computing,’” Cho added in the release. “Over the past two decades, people have been focusing on the digital and software side of computation, and the analog, hardware side has been lagging behind. I want to explore this overlooked analog design space.”