Throughout most of the 20th century, the Mexican peso remained one of the more stable currencies in Latin America, since the economy did not experience periods of hyperinflation common to other countries in the region.
However, after the oil crisis of the late 1970s, Mexico defaulted on its external debt in 1982, and as a result the country suffered a severe case of capital flight, followed by several years of inflation and devaluation, until a government economic strategy called the
Pacto de estabilidad y crecimiento económico) was adopted under President Carlos Salinas.
en.wikipedia.org/wiki/Mexican_peso#New_peso
Ou seja, o peso mexicano ficou atrelado ao dólar até o fim de Bretton Woods. Economia com moeda estável cresce por gravidade.
Eventuais aventuras desenvolvimentistas tiveram de ser pagas na décadas de 1970 e, principalmente, na dolorosa década de 1980. E em 1994, com o peso flutuante, o México quase entrou em guerra civil.