This file is part of the Software Framework PaCE (Paderborn Control System for Economic Experiments). For more information please visit http://pace.martin-kramer.com

Copyright (c) 2013, Martin Kramer, University of Paderborn All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * PaCE is citeware: Any publications (e.g. academic reports, papers, other disclosure of results) containing or based on data obtained with the use of this software will acknowledge its use by mentioning the name "PaCE - Paderborn Control System for Economic Experiments" and an appropiate citation of the following publication (or an updated version): Martin Kramer: PaCE - Paderborn Control System for Economic Experiments. University of Paderborn, Master Thesis, 2013. * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of PaCE nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF PADERBORN OR THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

PaCE is able to use z-Tree as part of its software-system. In order to use PaCE with z-Tree Plugin you must agree to its licence (http://www.iew.uzh.ch/ztree/howtoget.php). The program can be licensed free of charge. When you report results of experiments conducted with z-Tree, the licence requires that you mention it's use in the publication and cite the article forthcoming in Experimental Economics.

The correct citation is:

The experiment was programmed and conducted with the software z-Tree (Fischbacher 2007). Reference: Urs Fischbacher (2007): z-Tree: Zurich Toolbox for Ready-made Economic Experiments, Experimental Economics 10(2), 171-178.