Mariya Grinberg, "Trade in War: Economic Cooperation Across Enemy Lines" (Cornell UP, 2025)

Trade between belligerents during wartime should not occur. After all, exchanged goods might help enemies secure the upper hand on the battlefield. Yet as history shows, states rarely choose either war or trade. In fact, they frequently engage in both at the same time.

To explain why states trade with their enemies, in Trade in War: Economic Cooperation across Enemy Lines (Cornell UP, 2025) Dr. Mariya Grinberg examines the wartime commercial policies of major powers during the Crimean War, the two World Wars, and several post-1989 wars. She shows that in the face of two competing imperatives—preventing an enemy from increasing its military capabilities, and maintaining its own long-term security through economic exchange—states at war tailor wartime commercial policies around a product's characteristics and war expectations. If a product's conversion time into military capabilities exceeds the war's expected length, then trade in the product can occur, since the product will not have time to affect battlefield outcomes. If a state cannot afford to jeopardize the revenue provided by the traded product, trade in it can also occur.

Dr. Grinberg's findings reveal that economic cooperation can thrive even in the most hostile of times—and that interstate conflict might not be as easily deterred by high levels of economic interdependence as is commonly believed. Trade in War compels us to recognize that economic ties between states may be insufficient to stave off war.

This interview was conducted by Dr. Miranda Melcher whose book focuses on post-conflict military integration, understanding treaty negotiation and implementation in civil war contexts, with qualitative analysis of the Angolan and Mozambican civil wars. You can find Miranda’s interviews on New Books with Miranda Melcher, wherever you get your podcasts.

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