农业经济学是一个应用领域，通常探讨与农业、食品生产和消费相关的问题。资源经济学旨在了解自然资源的供求及其在经济中的作用，以及如何管理自然资源的长期可持续性。这些领域也为环境问题做出了重大贡献。
Agricultural economics is an applied field that typically explores issues related to agriculture, food production, and consumption. Resource economics seeks to understand the supply and demand of natural resources, their role in the economy, and how to manage them for long term sustainability. These fields also make significant contributions to environmental issues.