Anatomy of a Grexit: how Greece would go about leaving the eurozone

Jonathan Loynes and Jennifer McKeown, economists at Capital Economics, look at the key issues and challenges of a Grexit, and explain how it might be best managed.


A Grexit could be good for both Greece and the rest of the eurozone

Jonathan LoynesandJennifer McKeown, economists atCapital Economics, won the Wolfson Prize for their 2012 paper on how the exit from the eurozone of a small country such as Greece might best be managed. MoneyWeek published the plan in February 2015. But things have developed since then.

Here, Jonathan and Jennifer update their view on the key issues and challenges of a Grexit, and explain how it might be best managed, updated to reflect the situation now.

Some elements of the original plan are no longer viable. Speculation of Grexit' has been allowed to grow, causing significant damage to Greek banks. And the fact that Greece's debts have been taken on by eurozone institutions means that a default will be more damaging to international relations.

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But careful management of an exit that is still seen as inevitable could yet mean that it ends up as a favourable economic development for both Greece and the rest of the eurozone.

Planning and secrecy

We originally recommended that, where possible, the preparation for a euro exit be done in secret. This would help to avoid the huge outflow of bank deposits and capital that we were sure would accompany speculation of exit, damaging the financial sector and economy.

That ship has clearly sailed in light of the drawn-out speculation over a "Grexit" and corresponding drop in bank deposits over recent months.

It would still be preferable if measures such as currency printing could at least be commenced in secret (it is even possible that this is underway). But it now seems more likely that a Grexit would be a fairly abrupt result of failed negotiations and financial pressures, rather than a negotiated and organised process conducted in planned stages over time.

Banking conditions

Until recently, the Greek banking sector was showing some signs of improvement compared to 2012. Stress tests published by the (European Central Bank) ECB last year revealed that most capital shortfalls were already being addressed.

But more recently, deposit outflows have surged again, leaving banks to rely on central bank funding of €128bn, €89bn of which is in Emergency Liquidity Assistance (ELA ) from the Greek central bank. They are reportedly running out of eligible collateral to access these funds, and ELA will no longer be permitted by the ECB in the quite likely event of government default anyway.

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Step 1A few days before exitClose banks (including ATMs) and announce intention to exit
Step 2Immediately after decisionStart printing new currency
Step 3The week before exitEnforce and assist in re-denomination of all domestic bank accounts, wages and prices
Step 4The week before exitAnnounce intention to default on at least half of public debt and start negotiations with the Troika
Step 5The week before exitRedenominate private international debts into drachmas where possible
Step 6The week before exitAnnounce inflation targeting and strict fiscal rules for the future
Step 7Exit dayAnnounce reinstatement of drachma at parity with euro, reopen banks and impose capital controls
Step 8A few days after exitRecapitalise banks and large firms with euro-denominated debts, using QE if necessary
Step 9Up to six months after exitElectronic transactions in drachmas, small amount of euros available for necessary cash transactions
Step 10About six months after exitAll euros replaced with new drachmas, conversion complete

Substantial capital controls will need to be imposed

Given all of the above, a euro exit will need to be accompanied, and ideally preceded, by the imposition of substantial capital controls and the temporary closure of Greek banks such controls need not breach EU laws if they were imposed in an emergency.

The imposition of controls in Cyprus has proved the legal point, and arguably provided a blueprint for Greece to follow. Controls have been key to Cyprus's recovery and the authorities were able to remove them after a relatively short period of two years.

Greek controls would almost certainly be needed for longer, but they seem necessary nonetheless.

Note, though, that while such controls should limit outflows of deposits, they cannot make money flow back to the country, as also evidenced by the Cypriot experience.

Upon exit, then, we maintain our view that the reconstituted Greek central bank should provide liquidity to the banking system. Indeed, this is more straightforward than it would have been then since it is already doing it through ELA (it will simply no longer need ECB permission).

As we said in 2012, the government should consider recapitalising the banks permanently as soon as it could issue new debt.

The need for currency depreciation

We originally estimated that the drachma would need to drop by as much as 40% to restore Greece's competitiveness against the rest of the euro-zone. Since then, sharp falls in Greece's relative wage costs and the depreciation of the euro exchange rate suggests that the required depreciation has lessened.

But given the weakness of domestic demand, Greece probably needs to become super-competitive if net trade is to pick up by enough to ensure a broader recovery. A drop of over 20% is probably still required and some overshoot seems likely due to initial uncertainty.

A massive debt default is still needed

A key proposal in our original report was that the Greek government needed to default on at least half of its debt and that, where legally possible, it should do so by redenominating its international debts into drachma.

Since then, private sector debt has been restructured and largely replaced by loans from other eurozone governments, the European Financial Stability Fund (EFSF) and the IMF, as well as bond purchases by the ECB. But a massive default is still needed.

Eurozone creditors are unlikely to let Greece redenominate its debt into drachmas, so a straightforward default will be required. This is more likely to end in effective expulsion from the eurozone than the previous possibility of a default on private sector debts, particularly those held within Greece. But the fact that the Greek private sector if now less exposed should mean less damage to the Greek economy.

Of course, Greece's international political relations could be hit hard and this might have economic effects. So it would still make sense to negotiate the default with eurozone authorities. Greece's recent proposal for half of the EFSF debt to be written off while interest rates on the other half were increased might soften the blow to creditors. Remaining repayments could be linked to Greek GDP growth.

Post-Grexit financial support

One prospect to have emerged in recent weeks is the possibility that Greece might continue to receive some form of financial support even after exiting the eurozone. This could involve bailout or aid payments in the event that an exit leads to economic weakness or a humanitarian crisis.

Fiscal tightening may be less severe than feared

One apparently significant change has been the further improvement in Greece's fiscal position under continued severe austerity and, in particular, the movement of the primary budget balance from a deficit of about 2% of GDP into surplus of 1%. On the face of it, this suggests that Greece might be largely self-sufficient upon leaving the euro-zone and defaulting.

In reality, a deeper downturn in the Greek economy immediately after exit would probably move the primary surplus back into deficit, for a while at least. But the stronger starting point means that less post-exit fiscal tightening would be needed than was previously the case. Note that a set of fiscal rules would need to be drawn up to replace the Stability and Growth Pact and re-assure markets.

We still think that the Greek central bank would launch quantitative easing to try to keep government borrowing costs down and raise funds. The ECB's launch of QE since then has given it an example to follow and legitimised such action to an extent. But a clear inflation targeting regime would have to be announced as well, especially given the current government's inexperience and lack of credibility.

Greece's economic health has deteriorated but may well improve

In contrast to its budget position, Greece's economic health has deteriorated further since 2012, with real GDP falling by another 2% despite a short period of growth in 2014 and consumer prices dropping by another 4%. This sounds bad for Greece.

But one upside of the extra slack in the economy is that a devaluation following exit might cause less inflationary pressure than otherwise. The decline in the real exchange rate might therefore be sharper and the positive economic effects bigger.

What's more, reforms that Greece has already implemented could start to bear fruit.

Preventing contagion' in the rest of the eurozone

In the Wolfson Report, we argued that the rest of the eurozone would need to employ various policy measures to limit contagion effects in the event of a departure from the currency union. Since then, some measures have been established in the form of the bailout funds and the ECB's bond-buying programmes.

But the authorities would need to make their commitment to implement such programmes very clear. Even then, if Greece does well, there is a risk that others may ultimately follow.

This article was originally published as part of a European Economics Update fromCapital Economics. Republished here with permission.