R. Karádi

Price Drops, Fluctuations, and Correlation in a Multi-Agent Model of Stock Markets

J. Kertész, A. Zawadowski, R. Karádi, 2002, cond-mat/0204574.

Portfolio Selection in a Noisy Environment Using Absolute Deviation as a Risk Measure

I. Kondor, S. Pafka, G. Nagy, 2006 .