Pupils aged 10 in Northern Ireland's schools have, in previous years, been expected to take literacy and numeracy tests, but in 2013 this will be made voluntary after problems emerged with the computer system administering the tests.
Its official name alone suggests the problem: "Voluntary Counseling and Testing," or V.C.T. Throughout Uganda, Zambia, Kenya and Rwanda, we saw posters calling for people to get voluntary counseling and testing, with little or no explanation of what that meant or why testing was essential.
I discuss three potential solutions to this problem: voluntary agreements, eliminating patents, and a research exemption.
Funds deficit were evident since the implementation of first policy on HI (Decree 299/1992) and mainly associated with the fact that HI was voluntary, adverse selection problems, the lack of ceiling costs for HI services, the abuse of medical services without co-payment, an ambiguous medical service package, and the increasing costs of medical services.
Voluntary groups say the problem is much bigger.
The problem with voluntary access agreements is that if the landlords don't volunteer, they don't happen.
This problem of voluntary reporting adds to what is known as survivorship bias, by which poorly performing funds that shut down drop out of the index.
But even some conservatives are nervous about politicians interfering in self-governing institutions.Mr Balch prefers an appropriately Madisonian solution to his Madisonian problem: a voluntary system of checks and balances to preserve the influence of minorities and promote intellectual competition.
To address this issue, we model multilateral negotiations as a mechanism design problem with voluntary participation.
"The banks don't always play along the way you want them to, so if their participation is voluntary, that's a problem".
