| ≅ | P24 - Socialist Systems and Transitional Economies: National Income, Product, and Expenditure; Money; Inflation   
(from 
JEL) | 
   | ≅ | P46 - Consumer Economics; Health; Education and Training; Welfare, Income, Wealth,  and Poverty   
(from 
JEL) | 
   | ≅ | P52 - Comparative Studies of Particular Economies   
(from 
JEL) | 
   | ≅ | P21 - Socialist Systems and Transitional Economies: Planning, Coordination, and Reform   
(from 
JEL) | 
   | ≅ | P25 - Urban, Rural, and Regional Economics   
(from 
JEL) | 
   | ≅ | P30 - Socialist Institutions and Their Transitions: General   
(from 
JEL) | 
   | ≅ | P33 - International Trade, Finance, Investment, Relations, and Aid   
(from 
JEL) | 
   | ≅ | P37 - Legal Institutions; Illegal Behavior   
(from 
JEL) | 
   | ≅ | P59 - Comparative Economic Systems: Other   
(from 
JEL) | 
   | ≅ | P45 - International Trade, Finance, Investment, and Aid   
(from 
JEL) | 
   | ≅ | P49 - Other Economic Systems: Other   
(from 
JEL) | 
   | ≅ | P20 - Socialist Systems and Transitional Economies: General   
(from 
JEL) | 
   | ≅ | P27 - Socialist Systems and Transitional Economies: Performance and Prospects   
(from 
JEL) | 
   | ≅ | P51 - Comparative Analysis of Economic Systems   
(from 
JEL) | 
   | ≅ | P29 - Socialist Systems and Transitional Economies: Other   
(from 
JEL) | 
   | ≅ | P32 - Collectives; Communes; Agriculture   
(from 
JEL) | 
   | ≅ | P35 - Socialist Institutions and Their Transitions: Public Economics   
(from 
JEL) | 
   | ≅ | P36 - Socialist Institutions and Their Transitions: Consumer Economics; Health; Education and Training; Welfare, Income, Wealth, and Poverty   
(from 
JEL) | 
   | ≅ | P39 - Socialist Institutions and Their Transitions: Other   
(from 
JEL) | 
   | ≅ | P41 - Other Economic Systems: Planning, Coordination, and Reform   
(from 
JEL) | 
   | ≅ | P44 - Other Economic Systems: National Income, Product, and Expenditure; Money; Inflation   
(from 
JEL) | 
   | ≅ | P00 - Economic Systems: General   
(from 
JEL) | 
   | ≅ | P48 - Political Economy; Legal Institutions; Property Rights; Natural Resources; Energy; Environment; Regional Studies   
(from 
JEL) | 
   | ≅ | P22 - Prices   
(from 
JEL) | 
   | ≅ | P26 - Political Economy; Property Rights   
(from 
JEL) | 
   | ≅ | P31 - Socialist Enterprises and Their Transitions   
(from 
JEL) | 
   | ≅ | P50 - Comparative Economic Systems: General   
(from 
JEL) | 
   | ≅ | P34 - Socialist Institutions and Their Transitions: Financial Economics   
(from 
JEL) | 
   | ≅ | P40 - Other Economic Systems: General   
(from 
JEL) | 
   | ≅ | P43 - Public Economics; Financial Economics   
(from 
JEL) | 
   | ≅ | P23 - Factor and Product Markets; Industry Studies; Population   
(from 
JEL) | 
   | ≅ | E26 - Informal Economy; Underground Economy   
(from 
JEL) | 
   | ≅ | P42 - Productive Enterprises; Factor and Product Markets; Prices; Population   
(from 
JEL) | 
   | ≅ | P28 - Natural Resources; Energy; Environment   
(from 
JEL) | 
   | ≅ | P47 - Other Economic Systems: Performance and Prospects   
(from 
JEL) |