经济增长有可能改善一国的贸易条件，也有可能使之恶化。为什么大部分经济学家认为福利恶化型增长在现实中是不

It is just as likely that economic growth will worsen a country's terms of trade as that it will improve them．Why，then，do most economists regard immiserizing growth，where growth actually hurts the growing country，as unlikely in practice？