In order to help farmers improve production, there is a need to link input and output operations, and agricultural cooperatives may be the best form. The cooperatives in Vietnam in general and in the Mekong River Delta in particular, however, still have certain drawbacks in their operation. The...

Abstract Elevating operating voltage is an effective route to further promote the energy density of nickel-rich layered oxides based lithium batteries. However, high-voltage cycling generally incurs rapid capacity fade of cells due to severe decomposition of commercially available liquid...

The intraday high-frequency datasets contain several zero returns, which state that no change occurs in two or more consecutive transactions, particularly in the transaction data of in- active securities. In addition, existing approaches to cleaning financial data, such as the previous-tick...

Using panel data from 50 countries and 35 urban areas (covering a wide range of country incomes), the authors summarize trends in motorization and the provision of roads, and they examine the ratio of motor vehicles to roads in a production function framework at both national andurban levels....