The optimal allocation of foreign resources requires a minimum level of domestic development,including financial development to benefit from the potential benefits of foreign direct investment.This study discusses the...The optimal allocation of foreign resources requires a minimum level of domestic development,including financial development to benefit from the potential benefits of foreign direct investment.This study discusses the mediating role of financial development in the effect of foreign direct investment on economic growth and establishes the banking sector threshold for the 18 least developed African countries over the period 2000 to 2020.We used the generalized method of moments(GMM)and the threshold regression(TR)as part of the dynamic panel data model.The results show the non-significant contribution of foreign direct investment and the banking sector to economic growth.After interaction,the effect of foreign direct investment becomes positive but not significant.However,the coefficient of the interaction variable is significantly negative.This implies that the financial system is unable to allocate foreign resources efficiently.For this reason,this paper resorted to applying the threshold regression to determine the minimum threshold of the banking sector and established a threshold of 74.58%.It therefore becomes necessary for the 18 least developed African countries to develop the financial system in order to get full benefits of foreign direct investment.展开更多
Chiral coordination molecular cages/capsules with discrete nanoconfined chiral cavities demonstrate significant potential applications across various fields.In this study,we utilized Tr?ger's base as the building ...Chiral coordination molecular cages/capsules with discrete nanoconfined chiral cavities demonstrate significant potential applications across various fields.In this study,we utilized Tr?ger's base as the building block to design and synthesize two pairs of enantiopure ligands.These ligands were then self-assembled with Pd(II)ions through chiral self-sorting coordination,resulting in the formation of two pairs of homochiral M2L4-type coordination molecular capsules.Notably,due to differences in the substitution positions on the Tr?ger's base,these two pairs of enantiomeric coordination molecular capsules exhibited distinct levels of cavity closures,cavity sizes,and host-vip recognition properties.This research offers valuable insights into the construction of novel chiral molecular capsules and the regulation of confined cavities.展开更多
文摘The optimal allocation of foreign resources requires a minimum level of domestic development,including financial development to benefit from the potential benefits of foreign direct investment.This study discusses the mediating role of financial development in the effect of foreign direct investment on economic growth and establishes the banking sector threshold for the 18 least developed African countries over the period 2000 to 2020.We used the generalized method of moments(GMM)and the threshold regression(TR)as part of the dynamic panel data model.The results show the non-significant contribution of foreign direct investment and the banking sector to economic growth.After interaction,the effect of foreign direct investment becomes positive but not significant.However,the coefficient of the interaction variable is significantly negative.This implies that the financial system is unable to allocate foreign resources efficiently.For this reason,this paper resorted to applying the threshold regression to determine the minimum threshold of the banking sector and established a threshold of 74.58%.It therefore becomes necessary for the 18 least developed African countries to develop the financial system in order to get full benefits of foreign direct investment.
基金supported by the National Natural Science Foundation of China(No.22271164)the Fundamental Research Funds for the Central UniversitiesNankai University(NKU)。
文摘Chiral coordination molecular cages/capsules with discrete nanoconfined chiral cavities demonstrate significant potential applications across various fields.In this study,we utilized Tr?ger's base as the building block to design and synthesize two pairs of enantiopure ligands.These ligands were then self-assembled with Pd(II)ions through chiral self-sorting coordination,resulting in the formation of two pairs of homochiral M2L4-type coordination molecular capsules.Notably,due to differences in the substitution positions on the Tr?ger's base,these two pairs of enantiomeric coordination molecular capsules exhibited distinct levels of cavity closures,cavity sizes,and host-vip recognition properties.This research offers valuable insights into the construction of novel chiral molecular capsules and the regulation of confined cavities.
