firm
objectsFunction to compute the binary values of the FM or FO matrix for multiple firm
objects
get.binarary.values(firms, which, cols = NULL)
The values to be filled in the binary FO or FM matrix
List of objects on which to operate
Whether to use ownership or management to construct the matrix
Possible values assumed by the enquired variable (determined autmotically if not provided)
Telarico, Fabio Ashtar