That is a ridiculously simplistic 'explanation', Monica. @10.54
It assumes finite resources available to buy. Which is highly unrealistic. While ever there are resources available to purchase there will not be inflation.
And I don't think that anyone can deny that there is plenty that needs doing in the UK to absorb extra money issued. We're looking at all sorts of areas, health, education, infrastructure, Green issues, such as improving insulation and investing in alternative energy sources, etc as the electioneering progresses.
Roosevelt's 'New Deal' was highly successful, did the same sort of thing as what is proposed now, and was a 'money printing' exercise... way back in the 1930s...
The UK government has issued some £2.4 billion in QE since 2008. It 'owes' a significant part of that to itself....
Once again, I repeat, state spending circulates in the economy, boosts spending and demand for goods, and most of it comes back to the government through taxation.