4,210 research outputs found
Sustainability of the US current account deficit: An econometric analysis of the impact of capital inflow on domestic economy
The purpose of this paper is to estimate, by using the recent econometric techniques of unit root testing and Johansen-Juselius cointegration technique (1990), the impact of foreign capital inflow on the volume and efficiency of domestic investment in the United States during the period, 1973-1999. A battery of diagnostic tests is employed to check the validity and robustness of the estimated results. Evidence suggests that capital inflows have had a significant positive effect on the volume of US investment, but the effect on the efficiency of investment has been minimal. These findings imply that, while achieving current account balance is important, it is equally important to sustain and augment the beneficial impact of capital inflow by creating a more conducive investment climate. Given our limited ability to influence current account balance, this seems to be a more pragmatic policy option for dealing with the US current account imbalance.current account, capital inflow
Phase-coexisting patterns, horizontal segregation and controlled convection in vertically vibrated binary granular mixtures
We report new patterns, consisting of coexistence of sub-harmonic/harmonic
and asynchronous states [for example, a granular gas co-existing with (i)
bouncing bed, (ii) undulatory subharmonic waves and (iii) Leidenfrost-like
state], in experiments on vertically vibrated binary granular mixtures in a
Heleshaw-type cell. Most experiments have been carried out with equimolar
binary mixtures of glass and steel balls of same diameter by varying the total
layer-height () for a range of shaking acceleration (). All patterns
as well as the related phase-diagram in the ()-plane have been
reproduced via molecular dynamics simulations of the same system. The
segregation of heavier and lighter particles along the horizontal direction is
shown to be the progenitor of such phase-coexisting patterns as confirmed in
both experiment and simulation. At strong shaking we uncover a {\it partial}
convection state in which a pair of convection rolls is found to coexist with a
Leidenfrost-like state. The crucial role of the relative number density of two
species on controlling the buoyancy-driven granular convection is demonstrated.
A possible model for spontaneous horizontal segregation is suggested based on
anisotropic diffusion
MHAV: multitier heterogeneous adaptive vehicular network with LTE and DSRC
Enabling cooperation between vehicles form vehicular networks, which provide safety, traffic efficiency and infotainment. The most vital of these applications require reliability and low latency. Considering these requirements, this paper presents a multitier heterogeneous adaptive vehicular (MHAV) network. Comprising of transport operator or authority owned vehicles in high tier and all the other privately owned vehicles in low tier, integrating cellular network with dedicated short range communications. The proposed framework is implemented and evaluated in Glasgow city center model. Simulation results demonstrate that the proposed architecture outperforms previous multitier architectures in terms of latency while offloading traffic from cellular networks
Metodologi Pendidikan Al-ibrah Dalam Al-qur\u27an: Kajian Historis-paedagogis Terhadap Kisah Nabi Ibrahim Dalam Surat Maryam Ayat 42-48
Ibrah is a condition in which someone reach an abstract knowledge from a concrete onethrough observation and contemplation to know the core of certain problem by observing, testifying, considering, measuring and deciding logically until having the conclusion that can affect someone\u27s heart to obey Allah. In Al Quran, there are various instances of Ibrah depend on the object of ibrah itself such as in the form of story, story of Allah\u27s creatures, story of His grace, and also in the form of historical events. One of ibrah that is found in Al Quran is a dialogue between Prophet Ibrahim and his father in Surah Maryam verse 42-48
Fine Particle Processing - A difficult Problem for Mineral Engineers
In general, most of the ores contain valuable mineral in finely disseminated form resulting in the recovery of these fine mineral particles exceedingly difficult.Mineral industries in common generate a lot of rejects in theform offines and slimes, which ultimately create environmental and social problems besides causing losses of mineral
values. In view of the recent stringent policy imposed by the Govt. of India on environment, there is an urgent need to attempt a possible solution to such problems . In this paper, why slimes are a problem, the limitation of present processes and equipment and the advances in mineral proc-essing for recovery of mineral values from fines have been focussed
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