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11/12/2009

Duration:
30 minutes
First broadcast:
Friday 11 December 2009

Tim Harford and the More or Less team ask if claims made about energy efficient lightbulbs are true and if economies can grow forever. And they meet one of their greatest heroes: Sesame Street's Count von Count.

An Open University co production for BBC Radio 4.

  • Why eco-lightbulbs aren't what they seem

    Why eco-lightbulbs aren't what they seem

    Ruth Alexander investigates whether eco-light bulbs are as bright, long-lasting and energy efficient as is often claimed.

    Read more on the BBC website
  • Werry good! Muppet meets More or Less

    Werry good! Muppet meets More or Less

    Richard Knight, series producer of More or Less, reveals the intricacies involved when interviewing a Muppet.

    Read more on the Radio 4 blog
  • The Count von Count from Sesame Street

    The Count von Count from Sesame Street

  • Radio 4 Mathematics Collection

    Radio 4 Mathematics Collection

    Listen to more maths programmes

Broadcasts

Free downloads

  1. Image for More or Less: Behind the Stats

    More or Less: Behind the Stats

    Tim Harford investigates numbers in the news. Numbers are used in every area of public debate. But…

  2. Image for Tim Harford: Pop-Up Ideas

    Tim Harford: Pop-Up Ideas

    Tim Harford – in the company of Malcolm Gladwell, David Kilcullen and Gillian Tett – uses key…

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