Piggy-backing on these informal arrangements can lessen considerably t he need for external imposition of formal institutional arrangements.
Policymakers get to make rules, but dodge responsibility for them, by piggy-backing on the decisions of others, whom they can blame when things go wrong.
Researchers thinking of ' piggy-backing ' on national surveys have to be prepared to set aside time and financial resources to negotiate the complexities of securing access to potential samples.
The ombudsman is, in a sense, the piggy in the middle who has to referee many such matters.
I look forward to much greater use being made of the "piggy-back" concept where standard lorry trailers are carried on rail wagons.
In these times of inflation, which are here to stay, the piggy bank is a poor loser, and the land the outright winner.
However, that authority does not have a piggy bank.
We should not ask them to play piggy in the middle again.