Siciliani, Luigi - C.E.P.R. Discussion Papers - 2007
separating equilibrium can emerge, depending on the degree of altruism, characterised as very low, low, high and very high. i …) For very low altruism the quantity of the efficient and inefficient types is distorted upwards and downwards respectively …; the efficient type makes a positive profit. ii) For low altruism the quantity of the efficient and inefficient types is …