The title of his DEA was "Measuring the impact on the welfare of tariff cuts on agricultural products: an application of the Trade Restrictiveness Index (TRI) to the economy of the European Union" and his doctoral thesis was on "measuring the impact of agricultural trade liberalization on trade and welfare".
他的 DEA 的標題是 "測量對關稅削減的福利的影響對農產品: 貿易限制性指數的應用 (三) 對歐共體的經濟" 並且他的博士論文是 "測量農業的衝擊貿易和福利貿易自由化 "。