By way of David Andolfatto's comment on my earlier post on safe assets, I stumbled onto a talk by John Moore and Nobuhiro Kiyotaki called Evil is the Root of All Money , which in turn invokes a 1978 paper by Antoin Murphy called Money in an Economy Without Banks: The Case of Ireland ( pdf link ). For anyone interested in the conjunction of history of economic thought and economic history, Murphy is a great resource. I definitely suggest his The Genesis of Macroeconomics . Murphy's paper describes an interesting episode in Irish financial history. From May 1 to November 17, 1970, all banks in Ireland went on strike. This meant that Irish bank deposits were indefinitely frozen. Despite being deprived of a large chunk of their safe and liquid assets, the Irish populace managed to soldier on with little economic difficulty—according to Murphy, retail sales were barely affected by the bank closures. Ireland filled the void vacated by frozen deposits by using uncleared cheques as ...