Methods of estimating the mean duration of enterprises and the mean additional duration of enterprises in Lodzkie Voivodship

Artur MIKULEC

University of Lodz, Poland

Abstrakt

In a duration analysis, the time of enterprises functioning, i.e. from the foundation to their liquidation, is represented by a random variable. The basic characteristic functions used for time description include: density function, distribution function, survival function and hazard function. The first one f(t) defines the probability of enterprise liquidation in the period denoted as t, i.e. in

Słowa kluczowe:

mean duration of enterprises, mean additional duration of enterprise, Lodzkie Voivodship, Lodz, Piotrkow Trybunalski, Skierniewice