1The marginal cost of producing an additional unit of the product was significantly higher than the average cost per unit.
2Economists argue that the marginal benefit of investing in renewable energy outweighs the marginal cost of transitioning away from fossil fuels.
3The marginal land on the outskirts of the city was deemed unsuitable for development due to environmental concerns.
4The researcher focused on the marginal communities that were most affected by the economic downturn.
5The company's marginal profit from the new product line was not enough to offset the losses from the declining sales of their flagship product.