Are these Economists wrong?

[steffychun]

Chang, H-J, in his book Kicking Away the Ladder (2003) he argued that the promotion of democratic is not always a solution for development

Moyo, D, noted that economies dont need aid or western influence in thier affairs and that countries like Singapore developed well WITHOUT democracy
http://www.fastcompany.com/blog/jef...yo-aid-microfinance-and-problem-celebs-africa