Board of Directors of the Spatial Econometric Society, 2006.
Past member of the American Statistical Association, Econometric Society, International Statistical Institute.
Chair-Elect, Business & Economics Section, 2005;
Secretary/Treasurer, Business & Economics Section, 2000.
Founding fellow and member of the Board of Directors of the Spatial Econometric Society, 2006-present.
Member of the Scientific Committee for the following International Conferences on Panel Data: Paris, France (1990, 1994, 1997, 2012), Budapest, Hungary (19925), Amsterdam, Holland (1996, 2010), Göteborg, Sweden (1998), Geneva, Switzerland (2000), Berlin, Germany (2002), Copenhagen, Denmark (2005), Cambridge, United Kingdom (2006), Xiamen University, China (2007), Bonn, Germany (2009), Montreal, Canada (2011), London, UK (2013), Tokyo, Japan (2014), Budapest, Hungary (2015), Perth, Australia (2016), Thessaloniki, Greece (2017), Seoul, Korea (2018).
Member of the Scientific Committee for the following International Conference on Spatial Econometrics and Statistics: Rome, Italy (2006), Cambridge, UK (2007), New York (2008), Barcelona, Spain (2009), Chicago (2010), Toulouse (2011), Salvador, Brazil (2012), Washington D.C. (2013), Zurich, Switzerland (2014), Miami, US (2015), Singapore (2017).
Member of the Scientific Committee for the following International Association for Applied Econometrics conferences: Queen Mary, London (2014), Thessaloniki, Greece (2015).