Capital punishment was an ancient penalty. This has incurred many argues since 18th century. The focal points are ‘value of life’ and ethical concerns. Besides, the economics analysis also is important, which focuses on the effects and efficiency of capital punishment. In the article, the anterior part indicates the supporting reasons of death penalty, the posterior part indicates the cons.
Deterrence of punishment
Becker (1968), first of all, assumes that the crime is bad which incurs social loss, it should be deterred, death penalty is the severest punishment, and potential criminals are normal individuals. Because individuals are rational, the potential criminals also are rational. They commit crime as maximization of utility. The opportunity cost of committing crime is the net utility from legitimate activity. Therefore, the criminals forgo the crime when expected net utility from crime is lower than the expected net utility derived from legitimate activity. We focus on the expected net utility from crime “E(U)” and equation shows below: