Not really . IATA defines the allowancesNM said:Here is where the confusion comes is.
3PC is more generous than 2PC if all your pieces are less than 23Kg.
but if you only want to check in two pieces, and one of those pieces is say 28kg, the QF 2PC policy would allow it (1 x 23kg + 1 x 28kg), but the BA policy would apply an excess charge. So in this example, which is more generous for this particular customer? Many people would interpret QF as more generous to this particular customer.
The we get into the debate of what is the allowance and what is the restriction as mentioned above.
The "piece concept" defines the number of bags entitled by the passenger's ticket.
The "weight concept" defines the amount of baggage entitled by the passenger's ticket in kilos
Since comparison is piece to piece, the BA allowance is higher plus this fits in with what happens currently when transferring in situations such as with AA-BA vs BA-AA