As Israel and Iran carry out strikes against each other for a seventh straight day, the region is anxiously bracing for a potentially wider conflict. But question marks remain over the two sides’ ability to finance a sustained war effort.

On Friday, Israel killed several of Iran’s top military commanders and nuclear scientists and damaged some of its nuclear sites. It has since damaged parts of Iran’s fossil fuel sector. In response, Iran has launched missile attacks at government buildings and metropolitan areas in Israel.

The conflict is also costing both nations billions of dollars and could choke their economic growth and trigger concerns over long-term fiscal planning.

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