Википедия, конечно, не самый лучший источник, но за неимением лучшего:
On the brink of bankruptcy, a combination of pressure from the USA, the IMF and technocrats from the Opus Dei managed to "convince" the regime to adopt a free market economy in 1959 in what amounted to a mini coup d'etat which removed the old guard in charge of the economy, despite the opposition of Franco. This economic liberalisation was not, however, accompanied by political reforms and repression continued unabated.
Economic growth picked up after 1959 after Franco took authority away from these ideologues and gave more power to the apolitical technocrats. The country implemented several development policies and growth took off creating an economic boom that became known as the "Spanish Miracle". Concurrent with the absence of social reforms, and the economic power shift, a tide of mass emigration commenced to European countries, and to lesser extent, to South America. Emigration helped the regime in two ways. The country got rid of populations it would not have been able to keep in employment, and the emigrants supplied the country with much needed monetary remittances

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Слaбый пол сильнее сильного, в силу слaбости сильного полa к слaбому