It is also seems compatible with some experimental parts of economy, such as the study of soldiers of different countries trading MRE which suggest there is a v

It is also seems compatible with some experimental parts of economy, such as the study of soldiers of different countries trading MRE which suggest there is a value in diversity, not just taste or quantity. If there wasn't, why would say french soldiers be exchanging their wine and pate de foie gras MREs - especially after having satisfied their curiosity of what other MREs taste like, ie after the first trade?