Figure 2. Placebo experiments for core countries (excludes countries with an RMSPE ten times higher than that of the target country)

From

Assessing the Growth Effect of Common Currency Adoption: Synthetic Control Approach

Pei-Chien Lin, Ling-Yu Chen

Journal of Finance and Economics. 2017, 5(6), 269-280 doi:10.12691/jfe-5-6-3