“…Let us denote r i = y i − y i y i the evasion rate, and τ the tax rate. Without auditing, all subjects choose to fully evade unless their preferences feature some moral component (induced by, e.g., tax morale Luttmer and Singhal, 2014;Jacquemet, Luchini, Malézieux, and Shogren, 2019, or a cost of lying Gneezy, 2005; see Gneezy, Kajackaite, and Sobel, 2017 for a detailed discussion of the sources of lying costs in single decision-making situations). Accordingly, we consider the following utility model:…”