Number

Parameter

Meaning

1

a

Total cost of company’s paying for employees

2

b

The value of the employees’ returning to the company

3

x

Human capital value

4

$n_{ij}$

The amount of employees of the j department within i floor

5

m

Median time to recruit (months)

6

As

Average annual salary rate for given lever

7

Mc

Median cost of recruitment

8

At

Average annual training cost

9

${\alpha }_{ij}$

Employees’ satisfaction rate of the j department within i floor

10

$\beta$

The satisfaction rate of the company

11

$\delta$

Churn rate of the employees