has theory

URI: https://gptkb.org/prop/has_theory
4 triples
GPTKB property
Random triples
Subject Object
gptkb:International_Trade gptkb:Gravity_model_of_trade
gptkb:International_Trade gptkb:Heckscher-Ohlin_model
gptkb:International_Trade gptkb:New_Trade_Theory
gptkb:International_Trade Ricardian model