MONDAY Extended retail trading hours start today and will run through to January 3. Stores will be open from 9 a.m. until 9 p.m. on weekdays. Stores will also be open two Sundays during the festive period, December 23 and 30. The Constantine Karamanlis Institute of Democracy hosts a conference titled «The Greek Economy: Strong Course, New Perspectives,» at 6 p.m. at the Athens Hilton Hotel. Finance Minister Giorgos Alogoskoufis will speak. Tel. 210.725.7495. The Hellenic Food Authority (EFET) is hosting a conference titled «Food: Legislative Framework, Challenges for Industry and the Perspectives of the Consumers,» at 9 a.m. at the offices of the General Secretariat of Communication in Kallithea. Deputy Development Minister Giorgos Vlachos will speak. Tel. 210.697.1570 or log on to www.efet.gr. The Education Ministry is hosting a conference on «Museums and Education,» at 1 p.m. at the Byzantine and Christian Museum. Tel. 210.522.9997. TUESDAY The Hellenic Telecommunications and Post Commission (EETT) hosts a conference on «Quality in Telecommunications: Protection of the Consumers,» at 9 a.m. at the Divani Caravel Hotel. Transport Minister Costis Hatzidakis will be the keynote speaker. Tel. 210.615.1000 or log on to www.eett.gr. The second international Economist conference on «Private Public Partnerships (PPPs) in Greece: The Scope for Business Prosperity in Southeast Europe and the Eastern Mediterranean,» begins at 9 a.m. at the Royal Olympic Hotel in Athens. Health Minister Dimitris Avramopoulos, Finance Minister Giorgos Alogoskoufis and Tourism Minister Aris Spiliotopoulos will be the keynote speakers. To Wednesday. Tel. 210.940.8750 or log on to www.hazliseconomist.com. The Technical Chamber of Greece (TEE) hosts a conference on «Prevention and Management of Natural Disasters,» at 9 a.m. at the National Technical School. For details, log on to www.tee.gr. WEDNESDAY Athens University hosts a conference titled «60 Years of the United Nations – 50 Years of the European Union,» at 5 p.m. at the Ioannis Drakopoulos amphitheater. For details, log on to www.uoa.gr. The National School of Public Health is hosting the third Panhellenic congress on «Health Management, Economics and Policy,» starting at 9 a.m. at the Athens Hilton. To Friday. Tel. 210.688.9130 or log on to www.healthcongress.gr. The Center for Renewable Energy Sources (CRES) is hosting a workshop titled «Integration of Solar Technologies in Buildings in Mediterranean Communities,» in collaboration with the Technical Chamber of Greece. The conference will start at 6 p.m. at the National Research Foundation in Athens. To Thursday. Tel. 210.660.3311 or log on to www.cres.gr. THURSDAY The Center of Mediterranean and Middle East Studies of the University of Athens is hosting a lecture on «Gender and Civil Society in Contemporary Iran and its implications for the Middle East,» by Dr Gholam Vatandoust, associate professor at the University of Shiraz and visiting associate professor of the American University of Kuwait. At 12.30 p.m. at the Institute of International Relations in Plaka. Tel. 210.-331.2325-7 or log on to www.idis.gr. FRIDAY Transparency International-Hellas and the Hellenic Bank Association host a conference on «Banks and the Battle against Corruption,» starting at 2 p.m. at the National Bank of Greece’s Theodoros Karatzas amphitheater. Finance Minister Giorgos Alogoskoufis, head of the Hellenic Bank Association Takis Arapoglou and President of Transparency International-Hellas Costas Bakouris will speak. The Interactive Marketing Conference 2007 begins at the Dais conference center. Tel. 210.661.7777 or log on to www.imc07.gr.