We find it extraordinary that it should be Germany, of all countries, that is failing to learn from history. Fixated on the non-threat of inflation, today's Germans appear to attach more importance to 1923 (the year of hyperinflation) than to 1933 (the year democracy died). They would do well to remember how a European banking crisis two years before 1933 contributed directly to the breakdown of democracy, not just in their own country, but right across the European continent.
We have warned for more than three years that continental Europe needs to clean up its banks' woeful balance sheets. Next to nothing has been done. In the meantime, a silent run on the banks of the euro zone periphery has been under way for two years now: cross-border, interbank and wholesale funding has rolled off and been substituted with European Central Bank (ECB) financing; and 'smart money' - large uninsured deposits of wealthy individuals - has quietly departed Greek and other 'Club Med' banks.
But now the public is finally losing faith, and the silent run may spread to smaller insured deposits. Indeed, if Greece were to leave the euro zone, a deposit freeze would occur and euro deposits would be converted into new drachmas: so a euro in a Greek bank really is not equivalent to a euro in a German bank. Greeks have withdrawn more than € 700 million (S$1.12 billion) from their banks in the past month.
More worryingly, there was also a surge in withdrawals from some Spanish banks last month. The government's bungled bailout of Bankia has only heightened public anxiety. On a recent visit to Barcelona, one of us was repeatedly asked if it was safe to leave money in a Spanish bank. This kind of process is potentially explosive. What today is a leisurely 'bank jog' could easily become a sprint for the exit. In the event of a Greek exit, rational people would ask: Who is next?
The way out of this crisis seems clear. First, there needs to be a programme of direct recapitalisation - via preferred non-voting shares - of euro zone banks, in the periphery and the core, by the European Financial Stability Facility (EFSF) and its successor, the European Stability Mechanism.
The current approach of recapitalising the banks by the sovereigns borrowing from domestic bond markets - and/or the EFSF - has been a disaster in Ireland and Greece: It has led to a surge of public debt and made the sovereign even more insolvent, while making banks more risky, as an increasing amount of the debt is in their hands.
Second, to avoid a run on euro zone banks - a certainty in the case of a Greek exit and likely in any case - an European Union-wide system of deposit insurance needs to be created.
To reduce moral hazard (and the equity and credit risk taken by euro zone taxpayers), several additional measures should also be implemented.
The deposit insurance scheme has to be funded by appropriate bank levies: This could be a financial transaction tax or, better, a charge on all bank liabilities.
There needs to be a bank resolution scheme in which unsecured creditors of banks - both junior and senior - would take a hit before taxpayer money is used.
Measures to limit the size of banks to avoid the too-big-to-fail problem need to be taken.
We also favour an EU-wide system of supervision and regulation.
It is true that European-wide deposit insurance will not work if there is a continued risk of a country leaving the euro zone. Guaranteeing deposits in euros would be expensive as the departing country would need to convert all euro claims into a national currency, which would swiftly depreciate against the euro. On the other hand, a deposit insurance scheme that holds only if a country doesn't leave will be incapable of stopping a bank run. So, more needs to be done to reduce the probability of euro zone exits.
Structural reforms that boost productivity growth should be accelerated. And economic growth needs to be jump-started. The policies to achieve this include further monetary easing by the ECB, a weaker euro, some fiscal stimulus in the core, more bottleneck-reducing and supply-stimulating infrastructure spending in the periphery (preferably with some kind of 'golden rule' for public investment), and wage increases above productivity in the core to boost income and consumption.
Finally, given the unsustainably high public debt and borrowing costs of some member states we see no alternative to some kind of debt mutualisation. There are a number of different proposals for euro zone bonds. Among them, the German Council of Economic Advisers' proposal for a European Redemption Fund (ERF) is to be preferred - not because it is optimal but because it is the only one that can assuage German concerns over taking on too much credit risk.
The ERF is a temporary programme that does not lead to permanent euro zone bonds. It is supported by appropriate collateral and seniority for the fund and has strong conditionality. The main risk is that any proposal acceptable to Germany would imply such a loss of sovereignty over fiscal policy that it would be unacceptable to the periphery, particularly Italy and Spain.
Giving up some sovereignty is inevitable. However, there is a difference between federalism and 'neo-colonialism' - as a senior figure put it to us at a meeting of the Nicolas Berggruen Institute in Rome.
Until recently, the German position has been relentlessly negative on all such proposals. We understand German concerns over moral hazard. Putting German taxpayers' money on the line will be hard to justify if meaningful reforms do not materialise on the periphery. But such reforms are bound to take time. Structural reform of the German labour market was hardly an overnight success. By contrast, the European banking crisis is a real hazard that could escalate in days.
Germans must understand that bank recapitalisation, European deposit insurance and debt mutualisation are not optional; they are essential to avoid an irreversible disintegration of Europe's monetary union. If they are still not convinced, they must understand that the costs of a euro zone break-up would be astronomically high - for themselves as much as anyone.
After all, Germany's prosperity is in large measure a consequence of monetary union. The euro has given German exporters a far more competitive exchange rate than the old deutsche mark would have. And the rest of the euro zone remains the destination for 42 per cent of German exports. Plunging half of that market into a new depression can hardly be good for Germany.
Ultimately, as German Chancellor Angela Merkel herself acknowledged last week, monetary union always implied further integration into a fiscal and political union. But before Europe gets anywhere near taking this historical step, it must first of all show that it has learnt the lessons of the past.
The EU was created to avoid repeating the disasters of the 1930s. It is time Europe's leaders - and especially Germany's - understood how perilously close they are to doing just that.
FINANCIAL TIMES
