Three original microeconomic models of an externality market are described: (1) model of the marketable permits for exhalations emission, (2) model of optimal financial satisfaction of a damage caused by a negative externality in the economy with agents maximizing probability of their survival...

Author is trying to find parallels between philosophers I. Kant and J. P. Sartre. The latter used Kant´s categorical imperative in significantly different way. According to Sartre, we are not only "sentenced to freedom", but every our act is human act and means a "message" to all human beings....

Author is trying to find parallels between philosophers I. Kant and J. P. Sartre. The latter used Kant´s categorical imperative in significantly different way. According to Sartre, we are not only "sentenced to freedom", but every our act is human act and means a "message" to all human beings....