According to the abstract:
. . . Drawing on Draft Principles Governing the Administration of Justice through the Military Tribunals, I gather and code data on exceptional courts from the national constitutions of 140 countries between the years of 1990 and 2005. I show that provisions related to exceptional courts prohibiting the trial of human rights violations in exceptional courts, protecting the right to appeal exceptional courts’ decisions, prohibiting fair trial derogations during emergency are more likely to increase the cost of repression. . . .
The full article is unfortunately behind the Springer paywall.