Fisher and Seater [American Economic Review, 83 (1993) 402] develop a long-horizon regression test of long-run monetary neutrality and reject it in a long-annual U.S. sample. This test often fails to be rejected elsewhere. We can resolve the conflicting results.

Inverse power function, Long-horizon regression, Long-run monetary neutrality
Economics Letters

Coe, P, & Nason, J.M. (James M.). (2003). The long-horizon regression approach to monetary neutrality: How should the evidence be interpreted?. Economics Letters (Vol. 78, pp. 351–356). doi:10.1016/S0165-1765(02)00263-X