Overconfidence in Managerial Decision-Making among Brazilian Accountants and Managers: An Experimental Study

The aim of this work is to analyze, by means an experiment, if the type (positive or negative) and level (simple complex) financial information influence overconfidence entrepreneurs accountants in a managerial decision-making process. design consists 2 x factorial with four treatments, accounting as experimental factors. research was applied sample 68 managers, 86 accountants, 118 people different activities (control group). results showed that majority participants present Overconfidence bias, first test, without differentiation information. They also presented significant evidence can be influenced information, but not its level. Moreover, analysis suggested profile influences confidence projections conducted. has shown accountants.