Do Minimum Wage Increases Matter to Profitability of Private Firm? The Case of Vietnam

This paper measures the impact of a minimum wage increase on profitability of private firms in Vietnam using a difference-in-differences with propensity score matching method. Data used for this analysis are from Vietnam Enterprise Censuses in 2005 and 2006. It is found that the impact estimate of the minimum wage increase in 2005 from 290 to 350 thousand VND on firms’ profit margins is very small and negative, and not statistically significant