What are the consequences of lifting the public sector pay cap?

The public sector pay cap is being scrapped after five years - what will it mean for public finances?Prison and police officers will be the first to benefit, but unions have condemned the pay rises - which are less than inflation - as "pathetic". But could this extra money in the pocket of public servants help recruitment and retention in the public sector?To explore these issues David Aaronovitch is joined by expert guests including:Paul Johnson, Director of the Institute for Fiscal StudiesDr Amy Ludlow, a prisons expert at Cambridge UniversitySir Peter Fahy, former Chief Constable of Greater Manchester PoliceJerry Cope, Chair of the NHS Pay Review Body.