Notes, Comments and Preliminary results Jun 30 2025 Soo Khoon Goh , Yanru Yu , Chung Yan Sam and Tuck Cheong Tang   Purchasing power parity (PPP) in developed countries: updated evidence from multivariate ARDL unit root test   Abstract  Contact Information  Citation  Full Text  -  Note   Mar 30 2025 Segundo Camino-Mogro , Juan Manuel Dominguez and María Auxiliadora Guzman   From lower levels of formality to a formal firm in Ecuador: Short-run evidence   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result   Sep 30 2024 Nektarios Michail , Theodosis Kallenos and Ioanna Evangelou   Are agents Ricardian? Evidence from the CBC survey   Abstract  Contact Information  Citation  Full Text  -  Note   Sep 30 2023 Siqi Wang and Jun-ichi Itaya   Optimal tax design with costly tax evasion