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An important factor in a market-oriented economy is the mechanism by which consumer demands can be expressed and responded to by producers. In the American economy, this mechanism is provided by a price system, a process in which prices rise and fall in response to relative demands of consumers and supplies offered by seller-producers. If the product is in short supply relative to the demand, the price will be bid up and some consumers will be eliminated from the market. If, on the other hand, producing more of a commodity results in reducing its cost, this will tend to increase the supply offered by seller-producers, which in turn will lower the price and permit more consumers to buy the product. Thus, price is the regulating mechanism in the American economic system. The important factor in a private-enterprise economy is that individuals are allowed to own productive resources (private property), and they are permitted to hire labor, gain control over natural resources, and produce goods and services for sale at a profit. In the American economy, the concept of private property embraces not only the ownership of productive resources but also certain rights, including the right to determine the price of a product or to make a free contract with another private individual.
市场型经济中的一个重要因素是反映消费者需求以及生产者对消费者需求做出反应的机制。在美国经济中，这一机制是由价格体制体现的，价格随消费者的相对需求与产销者的供应情况而上下浮动。如果供不应求，价格就上升，有些消费者就会被排挤出市场。另一方面，某种产品大量生产导致成本下降，产销者提供的产品就会增加，这就会使价格下跌，那么，更多的消费者就购买该产品。因此，价格是美国经济体制中的调节机制。 私有企业经济的一个重要因素是允许个人拥有生产资料（私有财产），允许他们雇用劳动力，控制自然资源，通过生产产品、提供服务来获取利润。在美国经济中，私有财产的概念不仅包括生产资料的所有权，也包括一定的权利，比如，产品价格的决定权或与其他私有个体的自由签约权。