APA
Perino G., National Bureau of Economic Research, Ritz R. A. & Benthem A. v. (2019). Understanding overlapping policies. Cambridge: NBER.
Chicago
Perino Grischa, National Bureau of Economic Research, Ritz Robert A and Benthem Arthur van. 2019. Understanding overlapping policies. Cambridge: NBER.
Harvard
Perino G., National Bureau of Economic Research, Ritz R. A. and Benthem A. v. (2019). Understanding overlapping policies. Cambridge: NBER.
MLA
Perino Grischa, National Bureau of Economic Research, Ritz Robert A and Benthem Arthur van. Understanding overlapping policies. Cambridge: NBER. 2019.