Shadow Economies Around the WorldWhat Did We Learn Over the Last 20 Years?
We undertake an extended discussion of the latest developments about the existingand newestimation methods of the shadow economy. New results on the shadow economy for 158 countries all over the world are presented over1991 to 2015. Strengths and weaknesses of these methods are assessed and a critical comparison and evaluation of the methods is carried out. The average size of the shadow economy of the 158 countries over 1991 to 2015 is 31.9percent. The largest onesare Zimbabwe with 60.6percent,andBolivia with 62.3percent of GDP. The lowest ones are Austria with 8.9percent, and Switzerland with 7.2percent. The new methods, especially the new macro method, Currency Demand Approach (CDA) and Multiple Indicators Multiple Causes (MIMIC)in a structured hybrid-model based estimation procedure, are promising approaches from an econometric standpoint, alongside some new micro estimates. These estimations come quite close toothers used by statistical offices or based on surveys.