Due to the increasing internationalization of business, more and more people have to interact at work with people of distinct socialization. The ongoing development of globalization in the coming decades will increasingly give microenterprises and individuals the opportunity to work internationally. For economic success in these settings, it is necessary having effective intercultural communication and negotiation skills. Often these skills must be learned without any training programs, by learning on the job. Whether these skills can be learned under such circumstances has not been investigated yet. This work tries to close this gap. A case study was conducted to look for a positive development in terms of (a) intercultural communication promoting behavior, (b) successful communication at relationship level, and (c) the negotiation strategy (from distributive to integrative). For this purpose, the behavior of a Chinese student, who was a novice in these domains, was observed in a sequence of 57 simulated negotiations. His partners were economics students of Central European socialization. No changes were observed. These results emphasize the importance of purposeful and sustainable programs to teach these skills.