The draft for a CCCTB Directive in the EU includes the suggestion for an apportionment formula which allocates taxable profits to group member corporations and to the respective Member States. The draft directive delegates the right to define one apportionment factor, the term ‘Employee’ to...

This paper provides a formal analysis on the investment coordination problem in a vertically separated electricity supply industry, although the analysis may apply also to other network industries. In an electric- ity system, the investment decisions of network and power plants need to be...