We analyze how adding the shadow economy to official output figures affects estimated technical efficiency at the country level. We find that this only slightly affects the ranking of efficiency scores, but increases average efficiency in a sample of 87 to 97 countries, both developed and...

This paper assesses the relationship between institutions, output, and productivity, when official output is corrected for the size of the shadow economy. Our results confirm the usual positive impact of institutional quality on official output and total factor productivity, and its negative...