A simple comparison of annual electricity consumption

来源: panlm_ 2017-11-13 03:55:05 [] [旧帖] [给我悄悄话] 本文已被阅读: 次 (10683 bytes)
本文内容已被 [ panlm_ ] 在 2017-11-13 04:18:35 编辑过。如有问题,请报告版主或论坛管理删除.

(or production) per capita between USA and China would reveal that this post does not make sense at all given the physical laws are correct. In fact, the USA 2016 annual electricity per capita was 2.8 times higher than China counterpart. How was possible for the US GDP per capita was 7.6 times higher than China that year? 

 

本文内容已被 [ panlm_ ] 在 2017-10-29 12:49:48 编辑过。如有问题,请报告版主或论坛管理删除.

Physical economy: A comparison between USA, EU and China

This is an intriguing topic. The data are listed in the following Table 1 cited from the CIA world factbook (website), 

showing annual energy consumtion (kwh) per capita in Europe Union, USA, and China. 

Table 1:

Annual energy consumption (kwh) per capita (data source: CIA World Factbook website - access on Sept 22, 2017)
  Europe Union USA China
Popultation  516,195,432 326,625,791 1,379,302,771
Annual energy consumption  2,771,000,000,000 3,913,000,000,000 5,920,000,000,000
Annual energy consumption per capita 5368 11980 4292
GDP (US dollars)_ppp $19,180,000,000,000 $18,560,000,000,000 $21,270,000,000,000
GDP per capita (US dollars)_ppp $37,156 $56,823 $15,421
Physical GDP (US dollars) $5,063,520,000,000 $3,804,800,000,000 $10,486,110,000,000
Physical GDP (US dollars) per capita  $9,809 $11,649 $7,602
Annual energy consumption per capita 5368 11980 4292
GDP(US dollars)_nominal 16,270,000,000,000 $18,560,000,000,000 $11,390,000,000,000
GDP(US dollars)_nominal per capita $31,519 $56,823 $8,258
Annual energy consumption per capita (AECPC) 5368 11980 4292
Comparison to China in AECPC 1.3 2.8 1.0

The data indicate that USA per capita annual energy consumption (aecpc) is 11980 kwh, the EU aecpc is 5368 kwh, and China is 4292 kwh. In other words, each American people consumes 2.8 times more energy than a people in China each year; a people in EU uses 1.3 times more energy than a people in China a year. However, a American produces $56823 GDP (in terms of exchange rate), seven times higher than a people in China. A people in EU produces $31519 GDP, three times more than a person in China. Such a comparison raises a big question - how can per capita 2.8 times more energy consumption generating 7 times more GDP when USA is compared with China, and 1.3 times more energy usage creating 3 times more GDP when comparing the EU and China on the basis of per capita?

The conclusion is obvious - there must be a problem in estimate of a nation's GDP given the physical law is correct!

It is really surprising to see that China has made a great progress in growing her economy and in improving people's living standard. In fact, common people in China enjoy pretty good life even though more development is still needed in some of the aspects in the near future.

The above data suggest that if a national currency is backed by production (vs consumption), then a US dollar must be equal to 2.8 China Yuan and one Euro should equal 1.3 China Yuan. This implies the China currency is much undervalued when exchanging with the US dollar or Euro. If this is right, then China GDP must be 75 trillion China Yuan (2016)/2.8 US dollar equal to ~$27 trillion US! Thus, China per capita GDP 2016 must be ~US$20000, that might epxlain the average living conditions of people in China!

The post below is pasted here to explain the GDP composition.

A GDP (ppp, in trillions of dollars) comparison of China, USA, Japan and Germany


A GDP (ppp, in trillions of dollars) comparison of China, USA, Japan and Germany in 2016 (data from the CIA world factbook)    
  China   USA   Japan   Germany     Sum of USA, Japan, and Germany
GDP $21.29 $21.29 $18.57 $18.57 $5.238 $5.238 $3.98 $3.98          
Agriculture 8.60% $1.83 0.90% $0.17 1.00% $0.05 0.60% $0.02          
Industry 39.80% $8.47 18.90% $3.51 29.60% $1.55 30.30% $1.21   $6.27      
Service 51.60% $10.99 80.20% $14.89 69.40% $3.64 69.10% $2.75          
    $21.29   $18.57   $5.238   $3.98          

GDP is composed of agriculture, industry, and service sectors. The agriculture and industry sectors constitute physical economy, whereas the service sector is virtual economy. The table above indicates that China 2016 GDP contributed by industry sector was $8.47trillions US dollars, that is bigger than the sum ($6.27 trillions US dollars) of USA, Japan, and Germany. 

Data from the CIA world factbook website.

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