An important factor that often gets left out when discussing different types of government is the level of development of a country. A centrally powerful government has some perks that makes rapid industrialization possible. Where as a democracy might be good if a country is wealthy and its citizens educated. South Korea and Singapore are the only countries that went from impoverished to developed, and both were under authoritarian government when the rapid industrialization happened. You can also look at China and India, both started at comparable levels of development in the 70s but now one economy is 5 times the other