The abstract for the 2023 academic paper ''The Wealth of Working Nations'' published by Department of [[Economics]], University of Pennsylvania by Jesus Fernandez-Villaverde, Gustavo Ventura, and Wen Yao indicates: | The abstract for the 2023 academic paper ''The Wealth of Working Nations'' published by Department of [[Economics]], University of Pennsylvania by Jesus Fernandez-Villaverde, Gustavo Ventura, and Wen Yao indicates: |