Chapter 1. The Background of Good-Old-Fashioned-Systemics -- Part. I -- Chapter 2. Perspective new conceptual categories -- Chapter 3. Dynamics -- Chapter 4. From collective beings to quasi-systems -- Chapter 5. New formalisation? -- Chapter 6. Theoretical systemics and quantum field theory --...

Using the Nash bargaining approach to wage negotiations this paper shows that conventional wisdom, according to which the total tax wedge is the sum of wage and payroll taxes, is valid for equal tax bases, e.g., when the tax exemption takes the form of a tax credit. However, the equivalence...