Rocco MacchiavelloJosepa Miquel-FlorensaNicolas RouxEric VerhoogenMario BernasconiPaul J. Farrell2026-03-222026-03-22202610.2139/ssrn.5992338https://doi.org/10.2139/ssrn.5992338https://andeanlibrary.org/handle/123456789/84609enQuality (philosophy)Context (archaeology)BusinessIndustrial organizationKey (lock)EconomicsInternational marketSupply and demandPrice premiumEmpirical evidenceQuality Upgrading in Global Supply Chains: Evidence from Colombian Coffeepreprint