Showing 151 - 160 of 161
We study how professional fund managers' growth expectations affect the actions they take with respect to equity investment and in turn the effects on prices. Using novel data on China's mutual fund managers' growth expectations, we show that pessimistic managers decrease equity allocations and...
Persistent link: https://www.econbiz.de/10014255021
This paper examines the effect of the Federal Reserve’s quantitative easing (QE) on the cost of bank loans and documents large heterogeneous effects across different firms. In QE1, the average loan spread is 22.7% lower compared to the non-QE period. This effect falls in QE2 and OT and then...
Persistent link: https://www.econbiz.de/10014258328
According to the working condition of the expandable packer in high temperature and high pressure wells, the dynamic model of the pipe string and packers was established in this paper. Remeshing was used to describe the nonlinear flow behavior for sealing rubbers in annular clearance and the...
Persistent link: https://www.econbiz.de/10013304559
Polyvinylidene fluoride (PVDF) membrane offers excellent potential for efficient separation and purification of O/W emulsions. However, serious oil-fouling presents a major obstacle to its further application, usually causing continuous loss of filtration performance. Herein, a strong underwater...
Persistent link: https://www.econbiz.de/10013304650
The LaCo 0.7 X 0.3 O 3 (X=Co, Ni, Cu, Ga, Fe) perovskite catalyst was prepared by the sol-gel method, and the effect of the partially substituted catalyst at the B-site for the hydrogenation of CO 2 to methane reaction was studied. XRD, H 2 -TPR, TEM, BET, CO 2 -TPDand XPS technologies were used...
Persistent link: https://www.econbiz.de/10013304698
We consider the problem of operations scheduling for a capacitated multi-echelon shipping network with delivery deadlines. Over the network, semi-finished goods are shipped from origins to many demand points through a capacitated network consisting of shipping links and capacitated processing...
Persistent link: https://www.econbiz.de/10010572496
Spectral clustering uses eigenvectors of the Laplacian of the similarity matrix. It is convenient to solve binary clustering problems. When applied to multi-way clustering, either the binary spectral clustering is recursively applied or an embedding to spectral space is done and some other...
Persistent link: https://www.econbiz.de/10010710942
We study the operations scheduling problem with delivery deadlines in a three-stage supply chain process consisting of (1) heterogeneous suppliers, (2) capacitated processing centres (PCs), and (3) a network of business customers. The suppliers make and ship semi-finished products to the PCs...
Persistent link: https://www.econbiz.de/10011153378
Purpose – Calibrating kinematic parameters is one of the efficient ways to improve the robot's positioning accuracy. A method based on the product-of-exponential (POE) formula to calibrate the kinematic parameters of serial industrial robots is proposed. The paper aims to discuss these issues....
Persistent link: https://www.econbiz.de/10014835656
Persistent link: https://www.econbiz.de/10015049272