Interest rates are a topical subject in the micro lending industry in South Africa. The micro lending industry has been accused of charging usurious interest and exploitating the consumers. This has led to the Department of Trade and Industry passing a Usury Act with an aim of protecting the...

Interest rates are a topical subject in the micro lending industry in South Africa. The micro lending industry has been accused of charging usurious interest and exploiting the consumers. This has led to the Department of Trade and Industry passing a Usury Act with an aim of protecting the...

For many treatments, a patient’s prognosis may be refined by conducting a mid-therapy assessment (MTA). When therapy lasts some time, an MTA predicts a patient’s ultimate outcome based on early signs of response. The availability and timing of such assessments also serve as a mechanism by...

In the game of rock-paper-scissors with three players, this paper identifies conditions for a correlated equilibrium that differs from the mixed strategy Nash equilibrium and is evolutionarily stable. For this to occur, the correlation device attaches more probability to three-way ties and...