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Different orientations to happiness and their association with life satisfaction were investigated with 845 adults responding to Internet surveys. We measured life satisfaction and the endorsement of three different ways to be happy: through pleasure, through engagement, and through meaning. Each of these three orientations individually predicted life(More)
Although conventional economic theory proposes that only the absolute levels of income and consumption matter for people's utility, there is much evidence that relative concerns are often important. This paper uses a survey-experimental method to measure people's perceptions of the degree to which such concerns matter, i.e. the degree of positionality.(More)
Recent family and twin study findings suggest that ADHD when comorbid with conduct problems may represent a particularly familial and heritable form of ADHD. Although several independent groups have shown association between the DRD4 7 repeat allele and ADHD, others have failed to replicate this finding. Previous TDT analyses of UK and Eire samples had also(More)
We present a model where groups attempt to exert influence on policies using both bribes (plata, Spanish for silver) and the threat of punishment (plomo, Spanish for lead). We then use it to make predictions about the quality of a country's public officials and to understand the role of institutions granting politicians with immunity from legal prosecution.(More)
What rule is fair? This experimental study considers equality and equity (i.e., allocations that are proportional to individual contributions). Impersonal third parties, or spectators, favor equity. Distributive preferences move progressively toward equality, however, with the introduction of personal factors, such as sharing stakes with another (i.e.,(More)
We present a model where groups attempt to exert in ‡uence on policies using both bribes (plata, Spanish for silver) and the threat of punishment (plomo, Spanish for lead). We then use it to make predictions about the quality of a country's public o¢ cials and to understand the role of institutions granting politicians with immunity from legal prosecution.(More)
eorge Reisman was a student of both Ludwig von Mises ,and Ayn Rand. Yet, Reisman's Capitalism discusses few typically Austrian or Objectivist themes. Amazingly, in a more than 1,000-page book, ostensibly influenced by both Human Action and Atlas Shrugged, there is no index entry for entrepreneurship. Nor will one find entries for the market process,(More)
We study the quality of politicians when groups attempt to exert influence on policies by using both bribes (plata, Spanish for silver and money) and the threat of punishments (plomo, Spanish for lead). Contrary to the case in which groups use only bribes (as is traditional in the literature) and more capture does not damage the equilibrium quality of(More)
It might well then be asked what could possibly be said that merits yet another book on these thinkers in general, and on the topic of liberty especially. For a great many people have written on any one or all of these men, and often with specific reference to the idea of liberty. My answer to this reasonable question is simple, but perhaps surprising. It(More)