I just came across this new dissertation which was only completed last month:
Heemstra, Marius. "How Rome's Administration of the Fiscus Judaicus Accelerated the Parting of the Ways between Judaism and Christianity: Rereading 1 Peter, Revelation, the Letter to the Hebrews, and the Gospel of John in their Roman and Jewish Contexts." Ph.D. diss., Rijksuniversiteit Groningen, 2009.
The website is in Dutch, but the dissertation is in English.