The former IPA President and current Vice Chairman of Ogilvy & Mather, shares his thoughts on behavioural economics, costly signalling theory and Gary Lineker.

AdTalk with Paul Bainsfair: Tim Williams

The IPA is the professional body for advertising, media and marketing communications agencies in the UK. We represent over 300 agencies, which are responsible for 85% of UK advertising and communication spend.&nbsp;Our shows, AdTalk with Paul Bainsfair, The Effectiveness Files with Laurence Green, Making Sense, New Business Diaries, and IPA On... Talent Matters break down the big issues facing the advertising and communications business.