It seems that the number of Zero-hour Contracts (employment contracts that hire people without any clear guarantee about the number of hours of work that will be available) are in decline. Click on the link below to see an article in the Financial Times that discusses this recent development...
https://www.ft.com/content/3de1b19c-9d1b-11e7-8cd4-932067fbf946
https://www.ft.com/content/3de1b19c-9d1b-11e7-8cd4-932067fbf946
