Greece’s Two Currencies
ATHENS – Imagine a depositor in the US state of Arizona being permitted to withdraw only small amounts of cash weekly and facing restrictions on how much money he or she could wire to a bank account in California. Such capital controls, if they ever came about, would spell the end of the dollar as a single currency, because such constraints are utterly incompatible with a monetary union.
Greece today (and Cyprus before it) offers a case study of how capital controls bifurcate a currency and distort business incentives. The process is straightforward. Once euro deposits are imprisoned within a national banking system, the currency essentially splits in two: bank euros (BE) and paper, or free, euros (FE). Suddenly, an informal exchange rate between the two currencies emerges.
Consider a Greek depositor keen to convert a large sum of BE into FE (say, to pay for medical expenses abroad, or to repay a company debt to a non-Greek entity). Assuming such depositors find FE holders willing to purchase their BE, a substantial BE-FE exchange rate emerges, varying with the size of the transaction, BE holders’ relative impatience, and the expected duration of capital controls.
On August 18, 2015, a few weeks after pulling the plug from Greece’s banks (thus making capital controls inevitable), the European Central Bank and its Greek branch, the Bank of Greece, actually formalized a dual-currency currency regime. A government decree stated that “Transfer of the early, partial, or total prepayment of a loan in a credit institution is prohibited, excluding repayment by cash or remittance from abroad.”
The eurozone authorities thus permitted Greek banks to deny their customers the right to repay loans or mortgages in BE, thereby boosting the effective BE-FE exchange rate. And, by continuing to allow payments of tax arrears to be made in BE, while prescribing FE as a separate, harder currency uniquely able to extinguish commercial bank debt, Europe’s authorities acknowledged that Greece now has two euros.
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