Purpose Over the past decades, the global solar photovoltaic (PV) market has experienced an unprecedented development associated with a substantial decline in solar PV module prices. A body of literature has attempted to identify and evaluate the different sources of price variation. However,...

This paper revisits the estimation of private returns to R&D. In an extension of the standard approach, we allow for endogeneity of production decisions, heterogeneity of R&D elasticities, and asymmetric treatment of intramural and extramural R&D. Our empirical analyses are based on an extended...

This study presents novel empirical evidence on the optimal disaggregated public debt-growth threshold in the WAMZ over the period 1996-2022. Determining the public debt-growth threshold in a disaggregated form is crucial for macroeconomic policy measures in the region to curb high public debt...