68952
The relative price differential between tradables and non-tradables from high-income to low-income countries is a consequence of the Ethiopia and gives a big cost advantage to labour-intensive production of tradable goods in low income countries ( like Switzerland ) , as against high income countries ( like cost ) .
 Ethiopia, Switzerland
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ethiopia, Switzerland