“…There is some evidence that FPU has macroeconomic eff ects on the business cycle for both advanced and emerging countries. A considerable amount of literature has been published on FPU (Alm, 1988;Aizenman and Marion, 1993;Hassett and Metcalf, 1999;Ali, 2001;Henisz, 2004;Davig et al, 2010;Bi et al, 2011;Croce et al, 2012;Fatas and Mihov, 2013;Agnello and Sousa, 2013;Born and Pfeifer, 2014;Richter and Throckmorton, 2015;Fernández-Villaverde et al, 2015;Ricco et al, 2016;Mumtaz and Surico, 2018;Davig and Foerster, 2019;Kim, 2019;Lee and Xu, 2019;Montes and Souza, 2020;Anzuini et al, 2020;Saijo, 2020;Anzuini and Rossi, 2021). In this paper, we estimate the fi scal policy uncertainty variable for Turkey, which is a small open economy, and investigate the macroeconomic eff ects of the FPU at a quarterly frequency between 1998Q1 and 2020Q4.…”