生命与生计:印度的封锁退出战略

Partha Chatterjee, Soma Dey, Shweta Jain
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引用次数: 12

摘要

印度是对COVID -19威胁反应较早的国家之一。它于2020年3月25日早期宣布在全国范围内实施封锁,现已延长至2020年5月3日。这有助于在印度这样一个人口稠密的国家保持较低的感染和死亡人数。然而,从各种迹象来看,这将是一场旷日持久的战斗。“恢复正常”很可能只有在疫苗被发现、生产并向大量人口接种时才会发生。据流行病学家称,这可能需要长达两年的时间。很明显,我们不可能被封锁那么久。我们必须找到让经济以安全的方式运行的方法。到目前为止,政府的经济开放战略主要取决于一个方面——地理位置。该策略包括找到感染人数最多的地区并关闭这些地区,同时让其他地区继续运作。这将允许非常有限的经济活动。我们研究了感染COVID - 19的地区,发现它与夜灯密度高度相关,夜灯密度是该地区经济活动的一个代表。今天的一份报告证实了这一点,该报告指出,根据印度储备银行,170个被指定为Covid-19热点地区占信贷的80%。因此,使用this作为唯一的参数是有限的。那么,我们能做些什么呢?我们提出了一个开放经济的战略,考虑了三个方面:地理位置、在家工作能力和中心性。我们先看一个地区的感染率,以滚动平均值为基础,然后看两个行业特征。首先是在家工作(WFH)能力。我们首先看一下职业,找出哪些可以在家完成。然后我们将每个行业分解为这些职业,并找出这些行业中哪些可以在有限的现场支持下运作。我们发现,大约15%的员工可以在此之后重返工作岗位。最后,我们根据它们使用的投入创建一个行业网络。由于所有行业都使用其他行业的产出,因此让那些在网络中处于中心位置的行业运营是很重要的。我们根据中心性对这些行业进行排名。建议对一定级别以上的行业,可采取轮班等严格保持社会距离和卫生措施,允许其恢复生产。这将使经济恢复运行,并限制COVID - 19的负面影响。
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Lives and Livelihood: An Exit Strategy from Lockdown for India
India is among the select countries which reacted quite early to the threat of COVID -19. It announced a nationwide lockdown at an early stage on 25th March 2020, which has now been extended till 3rd May 2020. This has helped keep the numbers of infections and death low in a densely populated country like India. By all indications, though, this is going to be a long fight. In all likelihood “back to normal” can only happen when a vaccine is discovered, produced and administered to a large population. According to epidemiologists, that may take up to two years. It is obvious that we cannot be in a lockdown that long. We have to find ways to let the economy function in a safe way. So far, the government’s strategy on opening up the economy hinges on primarily one aspect – geography. The strategy involves locating areas that have high number of infections and close those areas, while let the other areas operate. This will allow a very limited amount of economic activity. We look at the districts that have COVID – 19 infections and find it has a high correlation with nightlight density, which is a proxy for economic activity in the districts. This is corroborated by a report today which states that according to RBI 170 districts designated as Covid-19 hotspots account for 80% of the credit. Hence, using this as the only parameter is limiting. So, what can be done? We propose a strategy of opening the economy that considers three things: Geography, Work From Home capability, and Centrality. We start by looking at infection rates in a district on a rolling average basis, then look at two industry characteristics. The first is Work From Home (WFH) capability. We first look at occupations and find which of these can be performed from home. Then we decompose each industry into these occupations and figure out which of these industries can operate with limited on-site support. We find that about 15% of workers can return to work following this. Then finally we create a network of industries based on the inputs they use. Since all industries use output from other industries, it is important to let those industries operate that are more central in the network. We rank these industries according to centrality. We suggest that the industries which are above certain rank can be allowed to resume operations by maintain strict social distancing and hygiene using methods like alternate shifts etc. This will allow the economy to resume operations and limit the negative impact of COVID – 19.
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