%0 Journal Article %T Efeitos de varia£ż£żes cambiais em uma abordagem de dinamica de mudan£ża estrutural ¨¤ teoria do crescimento restrito pelo balan£żo de pagamentos %A Araujo %A Ricardo Azevedo %J Economia e Sociedade %D 2012 %I Universidade Estadual de Campinas %R 10.1590/S0104-06182012000300005 %X in this paper it is shown that once-for-all variations at the level of the exchange rate can play an important role in the sectoral composition of the economy. this fact has important implications in terms of a disaggregated version of thirlwall's law, even when the argument of the quantitative unimportance of relative price movements holds. the growth rate of a country is therefore shown to be affected by once-for-all movements at the level of nominal exchange rates and the concept of a natural exchange rate is introduced. %K structural change dynamics %K thirwall's law %K exchange rate. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0104-06182012000300005&lng=en&nrm=iso&tlng=en