%0 Journal Article %T USAGE OF MODIFIED DEA MODELS FOR IMPROVEMENT OF THE PRODUCTION STRUCTURE IN AGRICULTURE %A JANA FRIEBELOV¨¢ %A L. FRIEBEL %J Lucr£¿ri £¿tiin£¿ifice : Management Agricol %D 2009 %I %X This article deals with an adjustment of Data Envelopment Analysis models in order to improve the production structure of agricultural enterprises according to their production possibilities and the actual market conditions. The advantage of used modified methods is a possibility of affecting recommended changes by weights. The other aim of our work is to propose a procedure of weights determination and a suitable way of data set standardization. In the application part, the article is focused on potato growing region because this area occupies the biggest part of arable land in the Czech Republic. %K Data envelopment analysis %K performance %K slack-based measure of efficiency %K weighted slack-based measure of efficiency %U http://www.usab-tm.ro/%5CPdf%5C2009%5Cxi2%5Cmanagement09_08.pdf