- Inference in structural models
- Theory of hypothesis testing
- Multivariate models
- Hypothesis testing in finance
Grant was born in Adelaide, South Australia, where he undertook his first degree. Having been awarded a prestigious Fulbright Scholarship, Grant undertook his doctoral research at the University of Pennsylvania in the USA. Grant received the esteemed Econometric Theory Plura Scripsit Award in 2008 and was Associate Editor of Econometric Theory between 1987-2012.