excludable

简明释义

英[ɪkˈskluːdəbl]美[ɪksˈklʊdəbl]

adj. 排他性的；不包括在内的

英英释义

单词用法

同义词

反义词

例句

1.If a good is non-rivalrous but excludable, a private provider of that good can only remain in business by charging the users a positive price.

如果某货物产品没有竞争对手但量够多，一个该产品的私人供应商只有通过付用户确实的价格才能维持他的生意。

2.If a good is non-rivalrous but excludable, a private provider of that good can only remain in business by charging the users a positive price.

如果某货物产品没有竞争对手但量够多，一个该产品的私人供应商只有通过付用户确实的价格才能维持他的生意。

3.The public park is a non-excludable resource, meaning that everyone can access it without restrictions.

公共公园是一个不可排除的资源，这意味着每个人都可以不受限制地进入。

4.In contrast, a subscription service is an excludable good because only paying members can access the content.

相比之下，订阅服务是一种可排除的商品，因为只有付费会员才能访问内容。

5.National defense is considered a non-excludable service; everyone benefits from it regardless of whether they pay taxes.

国家防御被认为是一种不可排除的服务；无论是否缴税，每个人都能从中受益。

6.Many online courses are excludable, as they require payment to gain access to the materials.

许多在线课程是可排除的，因为需要付款才能获得材料的访问权限。

7.Clean air is a non-excludable resource, as it is available to everyone in the environment.

清洁空气是一种不可排除的资源，因为它对环境中的每个人都是可用的。

作文

In economics, the concept of goods can be classified into different categories based on their characteristics. One important classification is whether a good is excludable or non-excludable. A good is considered excludable if it is possible to prevent individuals from accessing it unless they pay for it. This characteristic is crucial because it affects how resources are allocated and consumed in society. For example, consider a private swimming pool. Access to this pool can be restricted to only those who have paid for a membership. Therefore, the swimming pool is an excludable good. If someone tries to use the pool without paying, the owners can easily prevent them from entering. This ability to exclude non-payers ensures that the owners can recoup their costs and earn a profit from their investment. On the other hand, there are goods that are classified as non-excludable. These goods cannot easily restrict access to individuals, regardless of whether they pay for them. A classic example of a non-excludable good is public parks. Anyone can enter and enjoy the park without needing to pay a fee, making it difficult for the government to exclude people from using the park. This characteristic often leads to what economists call the 'free rider problem,' where individuals benefit from a resource without contributing to its cost. Understanding the difference between excludable and non-excludable goods is essential for policymakers. When designing public policies, governments must consider how to fund and provide these goods effectively. For instance, with non-excludable goods like national defense or public health services, funding typically comes from taxes, as everyone benefits from these services regardless of whether they contribute financially. Moreover, the excludable nature of certain goods can lead to market failures if not managed properly. In cases where a good is excludable, but the market does not provide it efficiently, government intervention may be necessary. This is often seen in the case of public goods that require significant investment but do not generate enough revenue through direct sales. Here, the government might step in to provide the service or good to ensure that society benefits as a whole. In conclusion, the distinction between excludable and non-excludable goods plays a vital role in economic theory and practice. It influences how resources are allocated, how public policies are shaped, and how individuals interact with various goods and services. By understanding these concepts, we can better appreciate the complexities of economic systems and the importance of effective resource management. As we navigate through our daily lives, recognizing the implications of excludable goods helps us understand the broader economic environment that affects us all.

在经济学中，商品的概念可以根据其特性分为不同的类别。其中一个重要的分类是商品是否是可排除的或非可排除的。如果一种商品可以防止个人在未支付的情况下使用它，那么就认为该商品是可排除的。这一特性至关重要，因为它影响着社会中资源的配置和消费。 例如，考虑一个私人游泳池。对这个游泳池的访问可以限制为只有那些已支付会员费的人。因此，这个游泳池是一个可排除的商品。如果有人试图在未支付的情况下使用游泳池，业主可以轻易地阻止他们进入。这种排除非付款者的能力确保了业主能够收回成本并从投资中获利。 另一方面，有些商品被归类为非可排除的。这些商品无法轻易限制个人的访问，无论他们是否为此付费。公共公园就是非可排除的商品的经典例子。任何人都可以进入并享受公园，而无需支付费用，这使得政府很难将人们排除在公园之外。这种特性往往导致经济学家所称的“搭便车问题”，即个人在不承担成本的情况下从资源中获益。 理解可排除的和非可排除的商品之间的区别对于政策制定者至关重要。在设计公共政策时，政府必须考虑如何有效地资助和提供这些商品。例如，对于国家防御或公共卫生服务等非可排除的商品，资金通常来自税收，因为无论个人是否在财务上做出贡献，每个人都能从这些服务中受益。 此外，某些商品的可排除特性如果管理不当可能导致市场失灵。在某种商品是可排除的但市场未能有效提供的情况下，可能需要政府干预。这种情况通常发生在需要大量投资但通过直接销售无法产生足够收入的公共商品中。在这里，政府可能会介入以提供服务或商品，以确保整个社会受益。 总之，可排除的和非可排除的商品之间的区别在经济理论和实践中起着至关重要的作用。它影响资源的配置、公共政策的制定以及个人与各种商品和服务的互动。通过理解这些概念，我们可以更好地欣赏经济系统的复杂性以及有效资源管理的重要性。当我们在日常生活中穿行时，认识到可排除的商品的含义帮助我们理解影响我们所有人的更广泛的经济环境。