Theresa May claimed that her contract with Brexit would leave Great Britain "better" after defending her agreement with regard to official economic forecasts predicting a rapid growth.
Exiting the EU in line with government plans could reduce Britain's GDP (GDP) by between 2.5% and 3.9% compared to blockage, the work of Treasury and other departments in Whitehall discovered.
A 83-page document released on Wednesday failed to provide a concrete analysis of Brexit's agreement that the prime minister is attempting to pass through parliament.
But he analyzed the likely impact of a proposal agreed by the government at Checkers in July and listed in the next white government document.
He also modeled the UK's influence on the relationship with Norway to the EU in relation to Brexit, the free-trade agreement from the bloc in Canada and the Brexit-free effect.
In each scenario, the British economy is projected to grow in the next 15 years, but not as fast as it would have done without leaving the EU.
Without agreement, Brexit could see economic growth of 10.7% less, the analysis said.
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Ms. May analyzed her to continue her pressing case for her contract with Brexit, as she faces a fight to persuade the deputies to support her agreement in the vote of the Prime Minister on December 11th.
Speaking during the Prime Minister's question, she said: "The analysis does not show that we will be poorer than the status quo today.
"What the analysis shows is that this is a strong economy that will continue to grow, and that the model that actually gives the best results in delivering the votes of the British people – both for our jobs and our economy – is a model put forward by the government."
In an interview with Sky News earlier, Chancellor Philip Hammond said the analysis shows that the Prime Minister's contract on Brexit offers political advantages outside the EU with "very little economic costs".
The Whitehall document followed later on Wednesday by publishing even more dramatic predictions Bank of England.
It was argued that there was an unsuccessful deal that Brexit could see as the British economy fell by almost 8%, the price of kilograms, the price drop of 30%, unemployment almost doubled, and inflation rose to 6.5%.
Mark Carney, governor of the Bank of England, pointed out that the paper did not present the forecast, but it was "the worst case" without Brexit's agreement to help him "ready for any eventuality".
He also reported that the banking system in the UK is strong enough to withstand the messy Brexit.
However, the explanation of Mr. The breach of the bank's performance did not satisfy Brexiteers.
Leading So Eurosceptic Jacob Rees-Mogg called the bank governor "Canadian second-level politicians who failed in Canadian politics and get a job in the UK".
Sky News said: "I do not think he is respecting him and he was deeply politicized because of the damage done to the reputation of the Bank of England."
Those who want the second referendum of Brexit used a dual economic analysis to boost their demands for a new public vote on EU membership.
When the Prime Minister estimated that he had more than 60 votes less than the majority he needed to accept Brexit's contract, shadow chancellor John McDonnell suggested that a new referendum be "inevitable".
Recognizing that it will be "very difficult" to force general elections, even if MPs vote on an agreement with Brexit, Mr. McDonnell told the BBC: "If this is not possible, then we will invite the government to join us in a public vote.
"Again, it's difficult to judge at every stage, but it's a series that I think will inevitably pass through this period."
Speaking after a visit to Scotland later, while continuing to visit the United Kingdom in an attempt to sell her agreement, the prime minister said McDonnell's comments were presented "the true position of the Labor Party."
"The work just wants to frustrate Brexit, they want to oppose and void the voice of the British people," she said.
Before the vote on Brexit on December 11, Ms. May could face another headache.
The House Chairman, John Bercow, said he would consider whether the government acted in "disregarding" the parliament if it still refuses to publish a full legal advice on a withdrawal contract.
At the end of Wednesday, the government found that it would accept up to six amendments to a proposal in which MPs would hold their "significant vote" on the Brexit agreement, which could lead to efforts in another referendum or "soft" Brexit.