The recent proliferation of bitcoin has been a boon for users but might pose problems for governments. Indeed, some governments have already taken steps to ban or discourage the use of bitcoin. In a model with endogenous matching and random consumption preferences, we find multiple monetary equilibria including one in which bitcoin coexists with official currency. We then identify the conditions under which government transactions policy might deter the use of bitcoin. We show that such a policy becomes more difficult if some users strictly prefer bitcoin because they can avoid other users holding the official currency in the matching process. (JEL C78, E41, E42, E50)

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Former Federal Reserve Chairman Ben Bernanke has claimed that the Fed's bank bailouts during the 2008 financial crisis were consistent with Walter Bagehot's rules for a lender of last resort. This paper demonstrates Bernanke's claims to be mistaken. First, we outline Bagehot's doctrine for a classical lender of last resort. Next, we discuss Bernanke's theory of bank bailouts and his statements regarding the Fed's role in the 2008 bank bailouts. Finally, we examine the bailouts and demonstrate that, contrary to Bernanke's claims, the Fed's actions were not consistent with Bagehot's rules for a lender of last resort.

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