📚 Economic Transition after the Weakening of the Planned Economy | 计划经济弱化后的经济转型问题
The late 20th century witnessed one of the most significant economic phenomena in modern history: the decline and eventual collapse of centrally planned economies. From the Soviet Union to Eastern Europe, and from China to Vietnam, governments began to recognise the severe inefficiencies embedded in central planning and initiated complex processes of economic transition. This article examines the nature of planned economies, the reasons behind their weakening, and the multifaceted problems that arise during the transformation to market-based systems.
20世纪末期见证了现代历史上最重大的经济现象之一：中央计划经济体的衰落与最终解体。从前苏联到东欧，从中国到越南，各国政府逐渐认识到中央计划体制中存在的严重低效问题，并启动了复杂的经济转型进程。本文考察计划经济的本质、其弱化的原因，以及向市场体系转型过程中出现的多方面问题。
1. The Planned Economy: Definition and Core Features | 计划经济：定义与核心特征
A planned economy, also known as a command economy, is an economic system in which the government or central authority makes all major decisions regarding production, distribution, and resource allocation. The state owns the means of production and determines what to produce, how much to produce, and at what prices goods and services should be sold.
计划经济，又称指令经济，是指政府或中央权威对生产、分配和资源配置作出所有重大决策的经济体系。国家拥有生产资料，并决定生产什么、生产多少，以及商品和服务应以何种价格出售。
Key features of a planned economy include:
计划经济的关键特征包括：
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State ownership of productive assets: factories, land, and natural resources are owned collectively by the state rather than by private individuals.
生产资料的国家所有制：工厂、土地和自然资源由国家集体拥有，而非由私人拥有。
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Centralised resource allocation: a central planning authority coordinates production targets across all industries using input-output tables.
中央集权的资源配置：中央计划机构利用投入产出表协调所有行业的生产目标。
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Administered prices: prices are set by bureaucrats rather than by the forces of supply and demand.
行政定价：价格由官僚机构设定，而非由供求力量决定。
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Limited consumer choice: consumers face a narrow variety of goods as production is directed towards fulfilling state-determined quotas.
消费者选择受限：由于生产以完成国家规定的配额为导向，消费者面临的商品种类十分有限。
2. Why Planned Economies Weakened | 计划经济为何走向衰落
By the 1970s and 1980s, the shortcomings of central planning became increasingly evident. A number of interconnected factors contributed to the weakening of planned economies.
到20世纪70年代和80年代，中央计划的缺陷日益明显。若干相互关联的因素共同导致了计划经济的弱化。
Information problems: Central planners could not possibly gather and process the vast quantity of information required to coordinate millions of production decisions. This led to persistent shortages and surpluses, as output frequently did not match consumer needs. Hayek famously argued that the knowledge required for efficient resource allocation is dispersed among millions of individuals and cannot be centralised.
信息问题：中央计划者无法收集和处理协调数百万项生产决策所需的巨量信息。这导致了持续的短缺和过剩，因为产出常常与消费者需求不匹配。哈耶克曾著名地指出，有效配置资源所需的知识分散在数百万个体之中，无法集中处理。
Incentive problems: Since workers and managers were rewarded for meeting production quotas rather than satisfying consumers, they had little motivation to improve quality, innovate, or reduce costs. The principal-agent problem was pervasive: the state (principal) could not effectively monitor the behaviour of enterprise managers (agent).
激励问题：由于工人和管理者的报酬取决于完成生产定额而非满足消费者，他们缺乏提高质量、创新或降低成本的内在动力。委托-代理问题普遍存在：国家
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