Marie José of Belgium Claretta Petacci, claimed in her diary that in 1937 the then princess and wife of the heir to the throne tried and failed to seduce the dictator at a beach resort near Rome. However, Mussolini's son, Romano, claims that the princess and dictator entered into a sexual relationship. In 1943, the Crown Princess involved herself in vain attempts to arrange a separate peace treaty between Italy and the United States; her interlocutor from the Vatican was Monsignor Giovanni Battista Montini, a senior diplomat who later became Pope Paul VI. Her attempts were not sponsored by the king and Umberto was
Dictator game trust". A pair of studies published in 2008 of identical and fraternal twins in the USA and Sweden suggests that behavior in this game is heritable. A variation of the dictator game called “Taking Game” (see “Experiments" section above for further detail), emerged from sociological experiments conducted in 2003, in which the dictator decides how much utility to “take” from the recipient’s pre-determined endowment. This dictator game variation was designed to evaluate the idea of greed, rather than the idea of fairness or altruism generally evaluated with the standard dictator game model, also referred to as the “Giving Game”. Dictator