behavioral-economics behavioral-economist behavioral-science biases cognitive-biases cognitive-psychology consumer-behavior consumerbehavior decision-making decisionmaking economic-decision-making economic-psychology economic-theory economics entscheidungsfindung entscheidungsverhalten heuristics human-behavior human-irrationality irrational-behavior irrationality irrationalität judgment judgment-and-decision-making logischesdenken psychologicalaspects psychology reasoning(psychology) social-psychology thought-processes verbraucherverhalten