经济学人:车费的变动 寻找出租车供需平衡解决方法(上)

 　　Free exchange

　　自由交换

　　A fare shake

　　车费的变动

　　Jacking up prices may not be the only way to balance supply and demand for taxis

　　提高价格可能并不是满足出租车供需平衡的唯一方法

　　IT IS a familiar ritual for many: after a late night out you reach for your smartphone to hail an Uber home, only to find—disaster—that the fare will be three times the normal rate. Like many things beloved by economists¹, “surge pricing” of the sort that occasionally afflicts² Uber-users is both efficient and deeply unpopular. From a consumer's perspective, surge pricing is annoying at best and downright offensive when applied³ during emergencies. Extreme fare surges often lead to outpourings of public criticism: when a snowstorm paralysed New York in 2013, celebrities⁴, including Salman Rushdie, took to social media to rail against triple-digit fares for relatively⁵ short rides. Some city governments have banned the practice altogether: Delhi's did so in April.

　　对与很多人来说，深夜外出后拿出智能手机叫一辆优步的车回家似乎是一种常见的仪式了。然而打的费却比平时高出了三倍。像很多经济学家钟爱的定律一样，这种时不时困饶着优步用户的“动态定价策略”虽有效却极不受欢迎。从消费者的角度看，动态定价策略最多是恼人而已，但在紧急状况下采用该策略时却是极其讨厌的。急剧上涨的车费会引起公众的不满：2013年的暴风雨使得纽约整个城市瘫痪，包括萨尔曼·拉什迪在内的名人在社交媒体上斥责收取三位数短程车费的行为。一些市政府取缔了这种做法：德里（印度城市）在四月就这样做了。

　　Uber is sticking with surge pricing for now, but Jeff Schneider, one of its machine-learning experts, recently suggested that the company is interested in developing systems that rely on technology, rather than price, to allocate⁶ cars. Even if such a technological⁷ fix proves elusive⁸, however, local governments do not need to regulate or ban surge pricing to reduce its sting.

　　Uber现在坚持使用动态定价策略，但是最近公司的机构研究专家之一杰夫·施耐德表示，该公司对开发依赖于技术而非价格来统筹车辆的系统很有兴趣。虽然这一技术目前难以实现，但是一旦实现，当地政府再也无需调控或者取缔动态价格机制以此削弱其影响。

　　Surge (or dynamic) pricing relies on frequent price adjustments to match supply and demand. Such systems are sometimes used to set motorway⁹ tolls¹⁰ (which rise and fall with demand in an effort to keep traffic flowing), or to adjust the price of energy in electricity markets. A lower-tech version is common after natural disasters, when shopkeepers raise the price of necessities like bottled water and batteries as supplies run low. People understandably detest¹¹ such practices. It offends the sensibilities of non-economists that the same journey should cost different amounts from one day or hour to the next—and more, invariably, when the need is most desperate.

　　峰时（动态）定价依赖于频繁的价格调整以使供需平衡。这一机制有时会被用于设置高速公路通行费（为保证交通顺畅，通行费因需求而上涨、下调），或者用于调整电力市场上能源价格。自然灾害之后，因为供给不足，店主提高生活必需品（如瓶装水和电池等）的价格这种低技术含量的版本屡见不鲜。可以理解，人们厌恶这种做法。这样的机制伤害了非经济学家的感情，每天或者每小时相同路程的花费却不同，而且当需求最紧急时也是一成不变。

　　Yet surge fares also demonstrate the elegance¹² with which prices moderate a marketplace. When demand in an area spikes¹³ and the waiting time for a car rises, surge pricing kicks in; users requesting cars are informed that the fare will be a multiple of the normal rate. As the multiple rises, the market goes to work. Higher fares ration¹⁴ available cars by willingness to pay: to richer users, in some cases, but also to those less able to wait out the surge period or with fewer good alternatives. Charging extra to those without good alternatives sounds like gouging¹⁵, yet without surge pricing such riders would be less likely to get a ride at all, since there would be no incentive¹⁶ for all the other people requesting cars to drop out.

　　但是峰时价格也显示出它带来的好处，价格策略缓和了市场。当需求在某个地区急剧上涨，以及等待时长增加，动态定价策略就发挥作用了；需要用车的客户会被告知费用是平时的几倍。当多个因素同时出现时，市场开始起作用。高费用会将车辆分配给那些愿意支付的客户即那些更有钱的客户；但是在某些情况下，对那些无法在高峰期等待或是没有好选择的用户也是同样适用的。对那些没有好选择的用户采取额外收费听起来像是乱要价，但是没有动态价格策略这些用户不太可能搭得到车，因为对于其他有需求坐车的人来说没有任何理由不坐车。至少在局部地区动态价格策略增加了供给。

1 economists   

n.经济学家，经济专家( economist的名词复数 )

参考例句：

• The sudden rise in share prices has confounded economists. 股价的突然上涨使经济学家大惑不解。
• Foreign bankers and economists cautiously welcomed the minister's initiative. 外国银行家和经济学家对部长的倡议反应谨慎。 来自《简明英汉词典》

2 afflicts   

使受痛苦，折磨( afflict的名词复数 )

参考例句：

• Level 3-Afflicts a target with the Curse of the Silent. 三级-用静默诅咒折磨一个目标。
• Level 1-Afflicts a target with the Curse of the Silent. 一级-用静默诅咒折磨一个目标。

3 applied   

adj.应用的；v.应用，适用

参考例句：

• She plans to take a course in applied linguistics.她打算学习应用语言学课程。
• This cream is best applied to the face at night.这种乳霜最好晚上擦脸用。

4 celebrities   

n.（尤指娱乐界的）名人( celebrity的名词复数 )；名流；名声；名誉

参考例句：

• He only invited A-list celebrities to his parties. 他只邀请头等名流参加他的聚会。
• a TV chat show full of B-list celebrities 由众多二流人物参加的电视访谈节目

5 relatively   

adv.比较...地，相对地

参考例句：

• The rabbit is a relatively recent introduction in Australia.兔子是相对较新引入澳大利亚的物种。
• The operation was relatively painless.手术相对来说不痛。

6 allocate   

vt.分配，分派；把…拨给；把…划归

参考例句：

• You must allocate the money carefully.你们必须谨慎地分配钱。
• They will allocate fund for housing.他们将拨出经费建房。

7 technological   

adj.技术的；工艺的

参考例句：

• A successful company must keep up with the pace of technological change.一家成功的公司必须得跟上技术变革的步伐。
• Today,the pace of life is increasing with technological advancements.当今， 随着科技进步，生活节奏不断增快。

8 elusive   

adj.难以表达(捉摸)的；令人困惑的；逃避的

参考例句：

• Try to catch the elusive charm of the original in translation.翻译时设法把握住原文中难以捉摸的风韵。
• Interpol have searched all the corners of the earth for the elusive hijackers.国际刑警组织已在世界各地搜查在逃的飞机劫持者。

9 motorway   

n.高速公路，快车道

参考例句：

• Our car had a breakdown on the motorway.我们的汽车在高速公路上抛锚了。
• A maniac driver sped 35 miles along the wrong side of a motorway at 110 mph.一个疯狂的司机以每小时110英里的速度在高速公路上逆行飙车35英里。

10 tolls   

（缓慢而有规律的）钟声( toll的名词复数 )； 通行费； 损耗； （战争、灾难等造成的）毁坏

参考例句：

• A man collected tolls at the gateway. 一个人在大门口收通行费。
• The long-distance call tolls amount to quite a sum. 长途电话费数目相当可观。

11 detest   

vt.痛恨，憎恶

参考例句：

• I detest people who tell lies.我恨说谎的人。
• The workers detest his overbearing manner.工人们很讨厌他那盛气凌人的态度。

12 elegance   

n.优雅；优美，雅致；精致，巧妙

参考例句：

• The furnishings in the room imparted an air of elegance.这个房间的家具带给这房间一种优雅的气氛。
• John has been known for his sartorial elegance.约翰因为衣着讲究而出名。

13 spikes   

n.穗( spike的名词复数 )；跑鞋；（防滑）鞋钉；尖状物v.加烈酒于( spike的第三人称单数 )；偷偷地给某人的饮料加入（更多）酒精（ 或药物）；把尖状物钉入；打乱某人的计划

参考例句：

• a row of iron spikes on a wall 墙头的一排尖铁
• There is a row of spikes on top of the prison wall to prevent the prisoners escaping. 监狱墙头装有一排尖钉，以防犯人逃跑。 来自《简明英汉词典》

14 ration   

n.定量(pl.)给养，口粮；vt.定量供应

参考例句：

• The country cut the bread ration last year.那个国家去年削减面包配给量。
• We have to ration the water.我们必须限量用水。

15 gouging   

n.刨削[槽]v.凿( gouge的现在分词 )；乱要价；（在…中）抠出…；挖出…

参考例句：

• Banks and credit-card companies have been accused of gouging their customers. 银行和信用卡公司被指控欺诈顾客。 来自辞典例句
• If back-gouging is applied, grinding to bright metal is required. 如果采用火焰气刨，则应将其打磨至可见光亮的金属表面。 来自互联网

16 incentive   

n.刺激；动力；鼓励；诱因；动机

参考例句：

• Money is still a major incentive in most occupations.在许多职业中，钱仍是主要的鼓励因素。
• He hasn't much incentive to work hard.他没有努力工作的动机。