SIR - In calling for easier immigration to rich countries you blithely talk about the free movement of goods, as though there is such a thing ("Let the huddled masses in", 31 March). There is not, and that is why many desperate or talented citizens of poor countries see emigration as their only solution. Agriculture, textiles and clothing, the sorts of products that offer poor countries their best chance of development, are the ones that rich countries discriminate against most, with high tariff and non-tariff barriers. Lowering these trade barriers is more ethical than encouraging ambitious and energetic third-world citizens to leave behind their cultures and families to depend on remittances from overseas.

Ronnie Horesh

Wellington