For example, assume that Ken currently has $10,000 in annual Social Security benefits, with 85 percent of those benefits taxed at a marginal rate of 15 percent. The tax bill on his Social Security benefits is $1,275 (= $10,000Ã0.85Ã0.15).
Friedrich August von Hayek CH (8 May 1899 - 23 March 1992) was an Austrian, later British, economist and philosopher most famous for his defense of classical liberalism.
Hans Eysenckâs Theory. Psychologist Hans Eysenck believes that genetics are the primary determinate of personality, although he thinks conditioning also plays a role. According to Eysenck, personality traits are hierarchical, with a few basic traits giving rise to a large array of more superficial traits.