We consider a nonconvex mixed-integer nonlinear programming (MINLP) model proposed by Goldberg et al. (Comput Optim Appl 58:523–541, 2014. https://doi.org/10.1007/s10589-014-9647-y) for piecewise linear function fitting. We show that this MINLP model is incomplete and can result in a piecewise...

Issues concerning what measures should be adopted to achieve a sustainable world with less carbon dioxide emission and in what magnitude should we reduce our emission have been on agenda in both international negotiations and countries¡¯ policy making aimed at coping with potential global...

The purpose of the study is to examine whether financial reforms implemented in the 1980s and 1990s altered the pattern of aggregate consumption behaviour in Malawi. More specifically, the study questions whether financial reforms affected consumption behaviour by reducing the excess sensitivity...

The purpose of the study is to examine whether financial reforms implemented in the 1980's and 1990's altered the pattern of aggregate consumption behaviour in Malawi. More specifically, the study questions whether financial reforms affected consumption behaviour by reducing the excess...