This thesis analyzes the relationship between trade restrictiveness and corruption levels in Europe and tests the robustness of the results using two different measures of corruption; Corruption Perceptions Index constructed by Transparency International and World Governance Indicators; Control of Corruption constructed by the World Bank. The results show that the outcome differs among the two indices and that previous results found in studies may be subject to data choice and measurement errors. A majority of previous studies have used trade openness in the form of imports share in GDP, or trade openness indices as variables that explain corruption levels. This thesis focuses on trade restrictiveness. It also investigates the differences b...