The government has announced three new law and order policies this week, including increased penalties for coward punches, assaulting first responders and shoplifting. But what impact will these changes have? 

Also, Act and New Zealand First have shot down Finance Minister Nicola Willis' plans for a policy costing unit. Is this something we should have?

National's Otaki MP Tim Costley and Labour's revenue and associate finance spokeswoman Dr Deborah Russell joined Nick Mills for Politics Thursday. 

LISTEN ABOVE