Number of items: 2.
Groom, Benjamin and Hepburn, C.
'Gamma Discounting and Expected Net Future Value.'
Journal of Environmental Economics and Management, 53 (1).
Groom, Benjamin and Hepburn, C. and Koundouri, P. and Pearce, D.
'Declining Discount Rates: The Long and the Short of It.'
Environmental & Resource Economics, 32 (4).