Disclosure statement
No potential conflict of interest was reported by the author.
Notes
2. For more details on foreign language teaching and learning in Europe, see http://epp.eurostat.ec.europa.eu/statistics_explained/index.php/Foreign_language_learning_statistics.
5. For basic information about bilateral economic relations see at Ministry of Economics: http://www.bmwi.de/DE/Themen/Aussenwirtschaft/laenderinformationen,did=316538.html.