In recent years, there has been renewed interest in index number and aggregation theory, since the two previously divergent fields have been successfully unified. The underlying aggregator functions which are weakly separable subfunctions of utility and production functions, are the building...

ASEAN economies have much insight to offer the world, from investor behaviour during COVID-19, and deep-rooted attitudes towards risk and corruption, to achievement of the Sustainable Development Goals through the gender perspective. The authors examine complex and pressing issues, including:...