The article mentioned and a few other examples of Pedro's research are:
Cardoso, M., Neves, P.C., Afonso, O. & Sochirca, E. (2021). The effects of offshoring on wages: a meta-analysis. Review of World Economics 157, 149–179 (2021). https://doi.org/10.1007/s10290-020-00385-z
Neves, P.C. & Sequeira, T.N. (2018). Spillovers in the production of knowledge: A meta-regression analysis. Research Policy, 47(4), 750-767. https://doi.org/10.1016/j.respol.2018.02.004
Neves, P.C., Afonso, O., Silva, D. & Sochirca, E. (2021). The link between intellectual property rights, innovation, and growth: A meta-analysis. Economic Modelling, 97, 196-209. https://doi.org/10.1016/j.econmod.2021.01.019