In any package of products and services, from banking to mobile calling plans, the price of each individual component is often determined by psychology, not cost.

不管是任何产品或服务套餐，从银行理财计划到手机消费计划，单个产品或服务的价格往往取决于消费者心理，而非成本。

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His conclusion: Disney should charge what the traffic will bear at the gate, then cut the price of individual rides down to their (very low) marginal cost.

FORBES: Magazine Article

Therefore, Congress is limited in how it can act with regards to supply-side regulations or price points, and has elected to pursue the individual mandate as a means to lower the cost of insurance (by increasing the consumer pool).

FORBES: The Economics of the Mandate Don't Matter: It's Constitutional

More than 50, 000 individual prices are collected in each survey round, and a cost-of-living index is calculated from the price data to express the difference in the cost of living between any two cities.

ECONOMIST: Oslo remains the world's most expensive city