Well that depends if you are a Brexiteer or a Remoaner.
Take a guess ...
ZeroHedge - On a long enough timeline, the survival rate for everyone drops to zero
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Here are eight reasons the EU will suffer more in both the short and long term.
Reason 1: Corporate Taxes
The UK can and likely will slash corporate tax rates. A lower corporate tax rate will mitigate much of the profit damage suffered by UK corporations in the event of no deal.
Note that one of the EU's biggest complaints against Ireland now is the "unfair" corporate tax structure of Ireland.
Reason 2: Currency Fluctuations
A falling currency is good for exporters and bad for importers. The British Pound has been falling in anticipation of Brexit.
Reason 3: Balance of Trade
In the event of no deal, WTO tariffs kick unless the EU offers to work out a trade deal. Under WTO rules, the EU could do that and rules allow a lengthy 10 years to get it done. The EU should agree to do that, but with animosity rising, it probably won't.
In a rising tariff setup, exporters will suffer far more than importers. Germany has an enormous trade surplus with the UK.
Image from Order of Rank of Germany's Trading Partners.
Angela Merkel is very concerned about German exports as well she should be.
Throw in the increasing chance of Trump putting tariffs on German cars and the EU will get crucified. A very severe German recession is in the cards and the EU faces a double whammy of Brexit plus Trump.
Note that a falling currency will mitigate some of the Tariff damage on UK exporters while compounding the problems for the EU.
Reason 4: Fishing Rights
In Brexit, the UK halts all EU fishing rights. EU fishermen will get clobbered.
Reason 5: Trade Deals
The UK will be able to make its own trade deals and set tariffs how it pleases.
Reason 6: Rules and Regulations
The UK will finally be free of inane EU rules and regulations on basically everything but especially agriculture.
Reason 7: Brexit Fees and Pay to Play Fee
Some dispute this, but the UK can halt the Brexit breakup fee. Boris Johnson has threatened to do that. Regardless, the UK will stop paying into the EU coffers even it does pay the breakup bill. The EU has budgeted for UK payments. When the UK stops paying, the EU will have to raise taxes to cover the difference.
Reason 8: Long Term Consequences
Both the EU and UK will suffer in the event of no deal but the long-term consequences strongly favor of the UK.
And here's a few more ...
And there are more than eight better reasons as to why the UK must leave the EU :
1: The UK along with all existing members of the EU lose their abstention veto in 2020 as laid down in the Lisbon Treaty when the system changes to that of majority acceptance with no abstentions or veto’s being allowed.
2: All member nations will become states of the new federal nation of the EU by 2022 as clearly laid out in the Lisbon treaty with no exceptions or veto’s.
3: All member states must adopt the Euro by 2022 and any new member state must do so within 2 years of joining the EU as laid down in the Lisbon treaty.
4: The London stock exchange will move to Frankfurt in 2020 and be integrated into the EU stock exchange resulting in a loss of 200,000 plus jobs in the UK because of the relocation. (This has already been pre-agreed and is only on a holding pattern due to the Brexit negotiations, which if Brexit does happen, the move is fully cancelled - but if not and the UK remains a member it’s full steam ahead for the move.)
5: The EU Parliament and ECJ become supreme over all legislative bodies of the UK.
6: The UK will adopt 100% of whatever the EU Parliament and ECJ lays down without any means of abstention or veto, negating the need for the UK to have the Lords or even the Commons as we know it today.
7: The UK will NOT be able to make its own trade deals.
8: The UK will NOT be able to set its own trade tariffs.
9 The UK will NOT be able to set its own trade quotas.
10: The UK loses control of its fishing rights
11: The UK loses control of its oil and gas rights
12: The UK loses control of its borders and enters the Schengen region by 2022
13: The UK loses control of its planning legislation
14: The UK loses control of its armed forces including its nuclear deterrent
15: The UK loses control of its taxation policy
16: The UK loses the ability to create its own laws and to implement them
17: The UK loses its standing in the Commonwealths
18: The UK loses control of any provinces or affiliated nations e.g.: Falklands, Cayman Islands, Gibraltar and others
19: The UK loses control of its judicial system
20: The UK loses control of its international policy
21: The UK loses full control of its national policy
22: The UK loses its right to call itself a nation in its own right
23: The UK loses control of its space exploration program
24: The UK loses control of its Aviation and Sea lane jurisdiction
25: The UK loses its rebate in 2020 as laid down in the Lisbon treaty
26: The UK’s contribution to the EU is set to increase by an average of 1.2bn pa and by 2.3bn pa by 2020