Currency harmonisation in the Southern African Development Community: a pathway to addressing the PPP puzzle

Abstract Over a century since its inception, the purchasing power parity (PPP) theory, linking exchange rates to relative prices, remains one of the most widely accepted and influential theories in international economics. Despite its theoretical appeal, the empirical validity of PPP remains highly...

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Bibliographic Details
Main Authors: Joe Maganga Zonda, Dinarti Tarigan
Format: Article
Language:English
Published: Springer Nature 2025-03-01
Series:Humanities & Social Sciences Communications
Online Access:https://doi.org/10.1057/s41599-025-04496-6