Gravity model of trade
https://openalex.org/C87889798
https://www.wikidata.org/wiki/Q1543986
Economics
https://openalex.org/C162324750
https://www.wikidata.org/wiki/Q8134
International trade
https://openalex.org/C155202549
https://www.wikidata.org/wiki/Q178803
International economics
https://openalex.org/C18547055
https://www.wikidata.org/wiki/Q47417
World trade
https://openalex.org/C2993305921
https://www.wikidata.org/wiki/Q8036315
Panel data
https://openalex.org/C6422946
https://www.wikidata.org/wiki/Q857354
Developing country
https://openalex.org/C83864248
https://www.wikidata.org/wiki/Q177323
Gravity equation
https://openalex.org/C2992128022
https://www.wikidata.org/wiki/Q5598083
International free trade agreement
https://openalex.org/C90924733
https://www.wikidata.org/wiki/Q5335686
Trade barrier
https://openalex.org/C182769425
https://www.wikidata.org/wiki/Q377302
Bilateral trade
https://openalex.org/C2780967403
https://www.wikidata.org/wiki/Q256330
Regional trade
https://openalex.org/C2994171286
https://www.wikidata.org/wiki/Q462668
Free trade
https://openalex.org/C35532855
https://www.wikidata.org/wiki/Q200435
Setting out the research questions or hypotheses
The research questions in this study focused on …
[INST] Please produce a sentence from the paper. The sentence should not mention the title of the paper, rather it be extracted from the Introducing Work section of the paper.
Please provide one singular full sentence from the paper that serves the function provided, using the example as guidance. Be specific, using relevant terminology from the paper.
Refrain from vague or generic statements. Finally produce a search query in the form of a question targeted towards the knowledge contained therein. 
You must output json with the structure of {'Sentence': sentence, 'Query': query}.
Field: "International trade".
Paper: "The WTO promotes trade, strongly but unevenly"
Function: "Setting out the research questions or hypotheses".
Example Sentence: "The research questions in this study focused on …". [/INST]