Botswana's renegotiations of such contracts laid the foundations of its remarkable growth for the last four decades. Moreover, it is not only developing countries, such as Bolivia and Venezuela, that renegotiate; developed countries like Israel and Australia have done so as well.
博茨瓦纳对此类契约的重新谈判为其过去40年令人瞩目的增长奠定了基础。此外，不但玻利维亚和委内瑞拉等发展中国家财务了重新谈判的做法，以色列和澳大利亚等发达国家也在这么做。连美国也出台了意外利润税。