Doughnut economics and string theories | Brief letters
I still recall a comment in my first economics lesson that there is no obvious limit to human wants. Lugubrious US comic Steve Wright provided a perfect retort: "You can't have everything; where would you put it?" It is encouraging to see that more economists (Finally, a breakthrough alternative to growth economics - the doughnut, 12 April) are realising that a system which boils down to everyone making more money and buying more stuff will ultimately collapse in a heap.
Iain Climie
Whitchurch, Hampshire
" Those struggling with tying a secure knot in their laces (Report, 12 April) may welcome the arrival of helpful technology. I am pleased to report that "bubble laces" are now available in this country. Rather like a miniature string of sausages, their construction does a great job of retaining the most inept attempts at a granny knot.
Peter Ferguson
Inverness