Local government expenditure does have the biggest impact, but it's usually in response to 'posh types' who pay council tax, shop locally, drink in local pubs, eat in local cafes etc, demand more police, better schools, better services, more bus routes, getting trains to serve their stations in the evening and at weekends, etc.
True dat. There's such a mass of reverse snobbery round here. Like the posh people I used to know who insisted on calling everyone 'mate'. Something about being awffenick innit.