 If labor is problematic as a distribuendum, perhaps economic value would work better. A fair trade, on this view, involves the exchange of equally valuable goods or services. And an unfair trade involves the exchange of goods or services of unequal value. To return to an earlier example, someone who sells a bottle of water to a hiker stranded in the desert for $1,000 takes unfair advantage of her. And part of what makes the exchange unfair is that the bottle of water simply isn’t worth nearly $1,000. \(B\) is giving up far more than she gains in exchange.